5179
The polycyclic aromatic hydrocarbon ( PAH ) benzo [ a ] pyrene ( BP ) is metabolized into a complex pattern of BP derivatives , among which the ultimate carcinogen ( + ) - anti - BP - 7 , 8 - diol - 9 , 10 - epoxide ( BPDE ) is formed to certain extents .
 Chemical: polycyclic aromatic hydrocarbon; Chemical: PAH; Chemical: benzo [ a ] pyrene; Chemical: ( + ) - anti - BP - 7 , 8 - diol - 9 , 10 - epoxide; Chemical: BPDE
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: polycyclic aromatic hydrocarbon; Chemical: PAH; Chemical: benzo [ a ] pyrene; Chemical: ( + ) - anti - BP - 7 , 8 - diol - 9 , 10 - epoxide; Chemical: BPDE