Task: Please answer the multiple choice question.
Question: Which molecules are not toxic in the NR-Estrogen receptor alpha assay?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CC(C)c1ccc(C=O)cc1
b CCCSP(=S)(OCC)Oc1ccc(Cl)cc1Cl
c O=C(CBr)c1ccccc1
d CC1CCC(C(C)C)C(OC(=O)c2ccccc2N)C1
Answer: a
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}