Virtuoso 37000 Error SP030: SPARQL compiler, line 0: Bad character '&' (0x26) in SPARQL expression at '&'

SPARQL query:
define sql:big-data-const 0 
#output-format:text/html
define sql:describe-mode "CBD"  DESCRIBE &lt;http://dati.lavoro.gov.it/lod/5538ac85-7886-9d20-e054-020820f2d1c3-row-42bc9e2b1f9a599810172c7e1091aaf0&gt;