Task: Answer the multiple-choice question.
Query: Which drug exhibits a 11.809\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) C=CCOC(=O)Nc1ccc(Cl)cc1NC(=O)OCC=C
b) CCCCn1c(SCC(=O)N2CCCC2)nc2cc(S(N)(=O)=O)ccc21
c) Cc1cc(C)cc(NC(=O)CSc2nnc(-c3ccccc3C)o2)c1
Answer: b. CCCCn1c(SCC(=O)N2CCCC2)nc2cc(S(N)(=O)=O)ccc21
{#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-butyl-2-(2-oxo-2-pyrrolidin-1-ylethyl)sulfanylbenzimidazole-5-sulfonamide