Task: Answer the MCQ question.
Query: Which drug exhibits a 1.257% hERG inhibition at 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CNC(=O)c1c(NC(=O)c2ccc(S(=O)(=O)N3CCCc4ccccc43)cc2)sc2c1CCN(C)C2
b: COc1c[nH]n(C2CCCCC2)c(=O)c1=O
Answer: b. COc1c[nH]n(C2CCCCC2)c(=O)c1=O
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_central_at_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
COc1c[nH]n(C2CCCCC2)c(=O)c1=O
COc1c[nH]n(C2CCCCC2)c(=O)c1=O
2-cyclohexyl-5-methoxy-1H-pyridazine-3,4-dione