9912
Multiple clinical trials are currently in progress to evaluate the antimalarial agent chloroquine ( generally in its clinical formulation as hydroxychloroquine ) and its impact on various forms of cancer therapy .
 Chemical: chloroquine; Chemical: hydroxychloroquine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: chloroquine; Chemical: hydroxychloroquine