9977
Initial optimization revealed potency preferences for the oxazepine core and benzylic positions , while substituents on the piperidine portions were more tolerant and allowed for tuning of potency and PK properties .
 Chemical: oxazepine; Chemical: benzylic; Chemical: piperidine
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: oxazepine, benzylic, piperidine 
Answer:
 Chemical: oxazepine; Chemical: benzylic; Chemical: piperidine