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 or b without using any other words.
Options:
a: CCCCCCC(=O)O[C@H]1CC[C@H]2[C@@H]3CCc4cc(O)ccc4[C@H]3CC[C@]12C
b: O=[N+]([O-])c1cc([As](=O)(O)O)ccc1O
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}