999
Aripiprazole ( still limited but promising data with low risk for adverse reactions ) and pimozide ( best evidence of the typical antipsychotics ) are agents of second choice .
 Chemical: Aripiprazole; Chemical: pimozide
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: Aripiprazole; Chemical: pimozide