Send matching command to a discord channel with selenium

I want to send a command /richest to discord channel like this:

Here is my code:

# Send messageinput_box = driver.find_element(By.XPATH, input_box_xpath)input_box.send_keys('/richest')  #time.sleep(2)  # Wait for 2 seconds after writing messageinput_box.send_keys(Keys.ENTER)time.sleep(1)  # Wait for 1 second after pressing enter

But it doesn't work. I always stuck at this one: