Problem statement: Answer the multiple-choice question.
Question: Which compound has a 3.891\% 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: CCOC(=O)c1c(NC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)sc(C)c1C
b: COc1ccc(N(CC(=O)N2CCN(c3ccc(Cl)cc3)CC2)S(=O)(=O)c2c(C)noc2C)cc1
c: CCCCCCSc1ccc([C@H]2N[C@@](Cc3ccccc3)(C(=O)OC)[C@H]3C(=O)N(CC)C(=O)[C@@H]23)cc1.O=C(O)C(F)(F)F
Answer: a. CCOC(=O)c1c(NC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)sc(C)c1C
{#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#}
CCOC(=O)c1c(NC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)sc(C)c1C
CCOC(=O)c1c(NC(=O)C2CCN(S(=O)(=O)c3cccs3)CC2)sc(C)c1C
ethyl 4,5-dimethyl-2-[(1-thiophen-2-ylsulfonylpiperidine-4-carbonyl)amino]thiophene-3-carboxylate