11621
This ligand has been assembled by using a one - pot " double - click " strategy and complexed with copper ( II ) and zinc ( II ) .
 Chemical: copper ( II ); Chemical: zinc ( II )
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: copper ( II ), zinc ( II ) 
Answer:
 Chemical: copper ( II ); Chemical: zinc ( II )