Task: Answer the MCQ question.
Query: Which compound has a 6.300\% human ether-à-go-go related gene (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: O=[N+]([O-])c1ccc2c(c1)C=C1CCCCC1(N1CCCC1)O2
b: CCNS(=O)(=O)c1c(C)cc(N2CCCC2=O)cc1C
c: CCOc1ccc(NC(=S)C(C#N)=C2N(C)c3ccccc3N2C)cc1
Answer: b. CCNS(=O)(=O)c1c(C)cc(N2CCCC2=O)cc1C
{#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#}
CCNS(=O)(=O)c1c(C)cc(N2CCCC2=O)cc1C
CCNS(=O)(=O)c1c(C)cc(N2CCCC2=O)cc1C
N-ethyl-2,6-dimethyl-4-(2-oxopyrrolidin-1-yl)benzenesulfonamide