Task: Answer the multiple choice question.
Question: Which compound has a -20.868% human ether-à-go-go related gene (hERG) inhibition at 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] CCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1
[b] Cc1ccc(SCC(=O)OCC(=O)NC2CCCCCC2)cc1
[c] COc1ccc2[nH]c(C)c(CCN(Cc3cccs3)C(=S)Nc3cccc(F)c3)c2c1
[d] CCc1ccc2c(c1)C(=O)C(=O)N2CCS(=O)(=O)c1ccccc1
Answer: a. CCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: Which {#compound|drug!} {#has|exhibits!} a {herg_central_at_10uM#}{herg_central_at_10uM__units} {herg_central_at_10uM__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_10uM%}
Answer: {%multiple_choice_result}. {SMILES#}
CCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1
CCC(=O)Nc1cccc(NC(=O)c2ccc(C)c([N+](=O)[O-])c2)c1
4-methyl-3-nitro-N-[3-(propanoylamino)phenyl]benzamide