<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://amarillas.emol.com/arriendo-de-sanitarios-quimicos/Copiap\u00C3\u00B3,%20Comuna%20III%20Regi\u00C3\u00B3n>