Task: Please answer the multiple choice question.
Question: Which molecules are not toxic in the NR-ER assay?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a.) Clc1cccc2ccccc12
b.) O=C(O)Cn1c(=O)n(Cc2ccc(Br)cc2F)c(=O)c2ccc(Cl)cc21
c.) O=Cc1cc(O)ccc1Br
d.) Nc1ccc([N+](=O)[O-])cc1N
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {toxicity_NR-ER#not &NULL}{toxicity_NR-ER__names__adjective}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%toxicity_NR-ER%}
Answer: {%multiple_choice_result}