Task: Answer the multiple-choice question.
Query: Which compound exhibits a 18.399% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCN1CCN(S(=O)(=O)c2cc(OC)ccc2OC)CC1
(b) CCC(=O)Nc1ccc(NC(=O)C23CC4CC(CC(C4)C2)C3)cn1
(c) COc1ccc(CCCc2nnc(SCC(=O)Nc3nc(C)cs3)n2C)cc1C
Answer: a. CCN1CCN(S(=O)(=O)c2cc(OC)ccc2OC)CC1
{#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#}
CCN1CCN(S(=O)(=O)c2cc(OC)ccc2OC)CC1
CCN1CCN(S(=O)(=O)c2cc(OC)ccc2OC)CC1
1-(2,5-dimethoxyphenyl)sulfonyl-4-ethylpiperazine