Task: Answer the MCQ question.
Query: Which drug has a -5.571\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccc(/C=N/OCc2ccc(Br)cc2)c(OC)c1
b: CCCCN(C(=O)CSc1nnnn1C)C1CCS(=O)(=O)C1
c: O=C(O)C(=O)O.O=C(c1ccc(F)cc1)N1CCN(C2CCCCC2)CC1
d: COc1ccc(CCNc2nc(C)nc3c2nnn3Cc2ccccc2)cc1OC
Answer: b. CCCCN(C(=O)CSc1nnnn1C)C1CCS(=O)(=O)C1
{#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#}
CCCCN(C(=O)CSc1nnnn1C)C1CCS(=O)(=O)C1
CCCCN(C(=O)CSc1nnnn1C)C1CCS(=O)(=O)C1
N-butyl-2-(1-methyltetrazol-5-yl)sulfanyl-N-(1,1-dioxothiolan-3-yl)acetamide