Need help in selenium

[Lizard]

I need help
I want to scroll down my page so the page can be sumbitted
It seems that the page cannot view submit_input_id = "side-contact-submit" so the page cannot be auto submitted

import requests
import csv
import sys
import os
import sys
from bs4 import BeautifulSoup
from selenium import webdriver
from selenium.webdriver.common.keys import Keys
from selenium.webdriver.chrome.options import Options


def auto_contact_agent(url):
    #url="https://www.srx.com.sg"+url

    chrome_options = Options()
    #chrome_options.add_argument("start-maximized")
    chrome_options.add_argument("--window-position=05,10")
    chrome_options.add_argument("--window-size=1920,1080")
    chrome_options.add_argument("--window-scrollTo=10, 150")
    driver = webdriver.Chrome(chrome_options=chrome_options)
    driver.get(url)
    import time
    #time.sleep(30)
    name_input_id = "side-contact-name"
    email_input_id = "side-contact-email"
    mobile_input_id = "side-contact-mobile"
    submit_input_id = "side-contact-submit"
    #submit_input_id = "listing-contact-submit"

    elem = driver.find_element_by_id(name_input_id)
    elem.clear()
    elem.send_keys("Rob")


    elem = driver.find_element_by_id(email_input_id)
    elem.clear()
    elem.send_keys("[email protected]")

    elem = driver.find_element_by_id(mobile_input_id)
    elem.clear()
    elem.send_keys("1234567")

    #elem = driver.find_element_by_id(submit_input_id)
    #elem.click()


    time.sleep(10)
    driver.close()



url="https://www.srx.com.sg/listings/77777052/for-sale-hougang-avenue-6-5mins-to-hougang-mrt-above-7th-floor"
auto_contact_agent(url)