Problem statement: Answer the MCQ question.
Question: Which compound exhibits a 18.938\% 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 other words.
Options:
(a) COc1ccc(CN2C(=O)NC(=O)/C(=C/c3ccc([N+](=O)[O-])s3)C2=O)cc1
(b) Cl.Fc1ccccc1C(c1nnnn1Cc1ccc2c(c1)OCO2)N1CCN(Cc2ccco2)CC1
(c) CCc1nnc(NC(=O)CSc2nc3[nH]ncc3c(=O)[nH]2)s1
(d) Cc1nn(C)cc1/C=N/NC(=O)CSc1ccccn1
Answer: a. COc1ccc(CN2C(=O)NC(=O)/C(=C/c3ccc([N+](=O)[O-])s3)C2=O)cc1
{#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(CN2C(=O)NC(=O)/C(=C/c3ccc([N+](=O)[O-])s3)C2=O)cc1
COc1ccc(CN2C(=O)NC(=O)/C(=C/c3ccc([N+](=O)[O-])s3)C2=O)cc1
(5Z)-1-[(4-methoxyphenyl)methyl]-5-[(5-nitrothiophen-2-yl)methylidene]-1,3-diazinane-2,4,6-trione