Problem statement: Answer the multiple-choice question.
Question: Which compound has a 11.344\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) COc1ccc(Cl)cc1S(=O)(=O)N1CCN(C)CC1
(b) CN(C)C(=O)Nc1cccc(OC(=O)N(C)C)c1
(c) CN(C)CCNC(=O)c1cc(Br)ccc1Cl
(d) Cc1ccc(C2NC(=O)c3c(sc4c3CCN(C)C4)N2)s1
Answer: a. COc1ccc(Cl)cc1S(=O)(=O)N1CCN(C)CC1
{#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-(5-chloro-2-methoxyphenyl)sulfonyl-4-methylpiperazine