Problem statement: Answer the multiple choice question.
Query: Which compound exhibits a 16.275\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) O=S1(=O)CCN2C(c3ccc4c(c3)CCCC4)=CSC2=N1
(b) COc1cc(NC(=O)c2cc(CC(C)C)on2)c(OC)cc1Cl
(c) CCCC(=O)Nc1nnc(SCC(=O)N2CCN(c3ccccc3)CC2)s1
Answer: c. CCCC(=O)Nc1nnc(SCC(=O)N2CCN(c3ccccc3)CC2)s1
{#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#}
N-[5-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]sulfanyl-1,3,4-thiadiazol-2-yl]butanamide