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Murine N2A and human SK - N - AS neuroblastoma cells and murine preadipocyte fibroblasts ( 3T3 - L1 ) were exposed to tributyltin ( TBT ) , diethylstilbestrol ( DES ) , bisphenol A ( BPA ) , 2 , 3 , 7 , 8 - tetrachlorodibenzo - [ p ] - dioxin ( TCDD ) , 2 , 2 ' , 4 , 4 ' , 5 , 5 ' - hexachlorobiphenyl ( PCB - 153 ) , hexachlorobenzene ( HCB ) , hexabromocyclododecane ( HBCD ) , 2 , 2 ' , 4 , 4 ' - tetrabrominated diphenyl ether ( BDE - 47 ) , perfluorinated octyl acid ( PFOA ) and perfluorinated octyl sulfonate ( PFOS ) .
 Chemical: tributyltin; Chemical: TBT; Chemical: diethylstilbestrol; Chemical: DES; Chemical: bisphenol A; Chemical: BPA; Chemical: 2 , 3 , 7 , 8 - tetrachlorodibenzo - [ p ] - dioxin; Chemical: TCDD; Chemical: 2 , 2 ' , 4 , 4 ' , 5 , 5 ' - hexachlorobiphenyl; Chemical: PCB - 153; Chemical: hexachlorobenzene; Chemical: HCB; Chemical: hexabromocyclododecane; Chemical: HBCD; Chemical: 2 , 2 ' , 4 , 4 ' - tetrabrominated diphenyl ether; Chemical: BDE - 47; Chemical: perfluorinated octyl acid; Chemical: PFOA; Chemical: perfluorinated octyl sulfonate; Chemical: PFOS
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: tributyltin; Chemical: TBT; Chemical: diethylstilbestrol; Chemical: DES; Chemical: bisphenol A; Chemical: BPA; Chemical: 2 , 3 , 7 , 8 - tetrachlorodibenzo - [ p ] - dioxin; Chemical: TCDD; Chemical: 2 , 2 ' , 4 , 4 ' , 5 , 5 ' - hexachlorobiphenyl; Chemical: PCB - 153; Chemical: hexachlorobenzene; Chemical: HCB; Chemical: hexabromocyclododecane; Chemical: HBCD; Chemical: 2 , 2 ' , 4 , 4 ' - tetrabrominated diphenyl ether; Chemical: BDE - 47; Chemical: perfluorinated octyl acid; Chemical: PFOA; Chemical: perfluorinated octyl sulfonate; Chemical: PFOS