Task: Please answer the multiple choice question.
Question: Which molecules are toxic in the NR-Estrogen receptor alpha assay?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a CC/C(=C(\c1ccccc1)c1ccc(OCCN(C)C)cc1)c1ccccc1
b CC(C)(C)NCC(O)c1cc(O)cc(O)c1.CC(C)(C)NCC(O)c1cc(O)cc(O)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}