21720
The formation of lipid peroxides by BaP t - 7 , 8 - diol was inhibited by NaN3 and enhanced by deuterated methanol , which suggests that singlet oxygen may be involved in the generation of lipid peroxides .
 Chemical: BaP t - 7 , 8 - diol; Chemical: NaN3; Chemical: deuterated methanol; Chemical: oxygen
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 t - 7 , 8 - diol; Chemical: NaN3; Chemical: deuterated methanol; Chemical: oxygen