Task: Please answer the multiple choice question.
Question: Which molecules are toxic in the estrogen receptor alpha assay?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
[a] COc1c2occc2c(OC)c2c(=O)cc(C)oc12
[b] CCOC(=O)c1ccc(N(C)C)cc1
[c] CCN(CCO)c1cccc(C)c1
[d] NCCNc1cccc2ccccc12
[e] CC[N+](C)(C)Cc1ccccc1Br
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}