Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 4.467\% 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) Nc1nc(NCc2cccs2)nn1-c1ccccc1
(b) COc1ccc(C)cc1NC(=O)Nc1cnccn1
(c) O=C(Nc1ccccc1)NC1CCS(=O)(=O)C1
(d) O=C(NN=C1CCCC1)c1ccccc1[N+](=O)[O-]
Answer: b. COc1ccc(C)cc1NC(=O)Nc1cnccn1
{#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(C)cc1NC(=O)Nc1cnccn1
COc1ccc(C)cc1NC(=O)Nc1cnccn1
1-(2-methoxy-5-methylphenyl)-3-pyrazin-2-ylurea