Getting “SyntaxError: [stdin]:27:45: unmatched OUTDENT” in coffeescript

I’m using Rails 4.2.3. I’m attempting to define this function in my coffee script

toggle_auto_checkbox -> ()
  if $.trim($('#hometown').length > 0 and 
  ($.trim($('#first_name').length > 0 or $.trim($('#last_name').length > 0) and 
  $('#mySelectBox option').filter(':selected').text().length > 0 and   
  $('#mySelectBox option').filter(':selected').text().length > 0 and    
  $('#mySelectBox option').filter(':selected').text().length > 0 and   
  $('#mySelectBox option').filter(':selected').text().length > 0
    $("input.group1").removeAttr("disabled")
  else
    $("input.group1").attr("disabled", true)

but it is resulting in the error “SyntaxError: [stdin]:27:45: unmatched OUTDENT” when I try and load the page that includes this coffee script. What is the issue with the above?