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 or b without using any additional words.
Options:
a.) CN(C)CCN(Cc1cccs1)c1ccccn1.CN(C)CCN(Cc1cccs1)c1ccccn1
b.) Clc1ccc(C(c2ccc(Cl)cc2)C(Cl)(Cl)Cl)cc1
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}