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: CCCN(CCC)c1c([N+](=O)[O-])cc(C(C)C)cc1[N+](=O)[O-]
b: COc1ccc2cc([C@H](C)CO)ccc2c1
c: O=C(Cl)c1cc(Cl)cc(Cl)c1
d: O=C(c1ccc(O)cc1)c1ccc(Cl)cc1
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}