Problem statement: Answer the multiple-choice question.
Question: Which compound has a 15.951\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a: O=S(=O)(Cc1ccccc1)Nc1ccc(S(=O)(=O)NCC2CCCO2)cc1
b: Cc1ccc(S(=O)(=O)N2CCN(C)CC2)c(C)c1
Answer: b. Cc1ccc(S(=O)(=O)N2CCN(C)CC2)c(C)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_1uM#}{herg_central_at_1uM__units} {herg_central_at_1uM__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_1uM%}
Answer: {%multiple_choice_result}. {SMILES#}
1-(2,4-dimethylphenyl)sulfonyl-4-methylpiperazine