Task: Please answer the multiple choice question.
Question: Which molecules are not toxic in the estrogen receptor alpha assay?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a. CCCCn1cc[n+](C)c1
b. CC(C(=O)O)c1ccc(N2Cc3ccccc3C2=O)cc1
c. O=C1C2CC=CCC2C(=O)N1SC(Cl)(Cl)C(Cl)Cl
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}