21717
The photocytotoxicity of BaP , 3 - OH - BaP , BaP t - 7 , 8 - diol , BaP trans - 7 , 8 - diol - anti - 9 , 10 - epoxide ( BPDE ) , and BaP ( 7 , 10 / 8 , 9 ) tetrol in the HaCaT keratinocytes was examined .
 Chemical: BaP; Chemical: 3 - OH - BaP; Chemical: BaP t - 7 , 8 - diol; Chemical: BaP trans - 7 , 8 - diol - anti - 9 , 10 - epoxide; Chemical: BPDE; Chemical: BaP ( 7 , 10 / 8 , 9 ) tetrol
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: BaP; Chemical: 3 - OH - BaP; Chemical: BaP t - 7 , 8 - diol; Chemical: BaP trans - 7 , 8 - diol - anti - 9 , 10 - epoxide; Chemical: BPDE; Chemical: BaP ( 7 , 10 / 8 , 9 ) tetrol