Problem statement: Answer the multiple-choice question.
Query: Which compound exhibits a 16.421% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) CN1C(C(=O)NCc2ccco2)CC2Cn3c(nc4cc(Cl)c(Cl)cc43)C21
(b) COc1cc(/C=C(/C#N)c2ccccc2)ccc1Oc1ccc([N+](=O)[O-])cn1
(c) COc1ccc(NC(=O)C2CCN(C(=O)[C@@H]3Cc4ccccc4CN3C(=O)OC(C)(C)C)CC2)cc1
(d) COc1ccc(OC)c(NC(=O)COC(=O)Cc2ccc(Br)cc2)c1
Answer: b. COc1cc(/C=C(/C#N)c2ccccc2)ccc1Oc1ccc([N+](=O)[O-])cn1
{#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#}
COc1cc(/C=C(/C#N)c2ccccc2)ccc1Oc1ccc([N+](=O)[O-])cn1
COc1cc(/C=C(/C#N)c2ccccc2)ccc1Oc1ccc([N+](=O)[O-])cn1
(E)-3-[3-methoxy-4-(5-nitropyridin-2-yl)oxyphenyl]-2-phenylprop-2-enenitrile