Task: Answer the MCQ question.
Query: Which compound exhibits a 12.067\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) CCCCNC(=S)NC(C)(C)CO
(b) O=S(=O)(CCN1CCSCC1)c1ccc(Cl)cc1
(c) CCOc1ccccc1OC(=O)c1cc2ccccc2oc1=O
Answer: b. O=S(=O)(CCN1CCSCC1)c1ccc(Cl)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#}
O=S(=O)(CCN1CCSCC1)c1ccc(Cl)cc1
O=S(=O)(CCN1CCSCC1)c1ccc(Cl)cc1
4-[2-(4-chlorophenyl)sulfonylethyl]thiomorpholine