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 other words.
Options:
a: CC1(C)S[C@@H]2[C@H](NC(=O)[C@@H](NC(=O)N3CCNC3=O)c3ccccc3)C(=O)N2[C@H]1C(=O)[O-]
b: CCC(C)Nc1c([N+](=O)[O-])cc(C(C)(C)C)cc1[N+](=O)[O-]
c: O=C(O)C1(C(=O)Nc2ccc(Cl)cc2Cl)CC1
d: CC(=O)OC(C)C(=O)OCC[N+](C)(C)C.CC(=O)OC(C)C(=O)OCC[N+](C)(C)C.O=S(=O)([O-])c1cccc2c(S(=O)(=O)[O-])cccc12
Answer: a, c
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}