Task: Answer the MCQ question.
Query: Which compound exhibits a 18.044\% 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 other words.
Options:
a: C[C@H](NC(=O)c1ccco1)C(=O)NC1CCCCCC1
b: Cc1[nH]nc(SCC(=O)NCCc2ccccc2)c1[N+](=O)[O-]
c: O=C(CCOc1ccccc1)Nc1cccc([N+](=O)[O-])c1
d: O=C(O)CSC12CC3CC(C1)CC(C(=O)O)(C3)C2
Answer: b. Cc1[nH]nc(SCC(=O)NCCc2ccccc2)c1[N+](=O)[O-]
{#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#}
Cc1[nH]nc(SCC(=O)NCCc2ccccc2)c1[N+](=O)[O-]
Cc1[nH]nc(SCC(=O)NCCc2ccccc2)c1[N+](=O)[O-]
2-[(5-methyl-4-nitro-1H-pyrazol-3-yl)sulfanyl]-N-(2-phenylethyl)acetamide