Task: Answer the multiple-choice question.
Question: Which drug has a 4.889\% hERG inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a. COCCCn1c(=O)c2ccccc2n(CC(=O)N2CCCc3ccccc32)c1=O
b. Cc1ccc(C(=O)N2CCN(S(=O)(=O)c3ccccc3[N+](=O)[O-])CC2)o1
c. Cc1ccc(NC(=O)c2ccccc2Cl)cc1-n1cnnn1
Answer: b. Cc1ccc(C(=O)N2CCN(S(=O)(=O)c3ccccc3[N+](=O)[O-])CC2)o1
{#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#}
Cc1ccc(C(=O)N2CCN(S(=O)(=O)c3ccccc3[N+](=O)[O-])CC2)o1
Cc1ccc(C(=O)N2CCN(S(=O)(=O)c3ccccc3[N+](=O)[O-])CC2)o1
(5-methylfuran-2-yl)-[4-(2-nitrophenyl)sulfonylpiperazin-1-yl]methanone