Task: Answer the MCQ question.
Question: Which compound exhibits a 14.999\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) Cc1ccccc1OCc1nnc(SCC(=O)Nc2ccc3c(c2)oc2ccccc23)n1C
(b) COc1ccc([N+](=O)[O-])c(S(=O)(=O)c2ccc(Cl)cc2)n1
(c) CCCc1cc(=O)oc2cc(C)cc(OCC(=O)NCc3ccccn3)c12
(d) CCCCN(C(=O)C(C)Oc1ccc(Cl)cc1)c1c(N)n(CCCC)c(=O)[nH]c1=O
Answer: b. COc1ccc([N+](=O)[O-])c(S(=O)(=O)c2ccc(Cl)cc2)n1
{#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#}
COc1ccc([N+](=O)[O-])c(S(=O)(=O)c2ccc(Cl)cc2)n1
COc1ccc([N+](=O)[O-])c(S(=O)(=O)c2ccc(Cl)cc2)n1
2-(4-chlorophenyl)sulfonyl-6-methoxy-3-nitropyridine