Task: Please answer the multiple choice question.
Question: Which molecules are toxic in the NR-ER assay?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] N=C(N)NC(=O)c1nc(Cl)c(N)nc1N
[b] CCN(CC)C(=O)[C@@H]1C=C2c3cccc4[nH]cc(c34)C[C@H]2N(C)C1
[c] CC(=O)CCCCn1c(=O)c2c(ncn2C)n(C)c1=O
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}