Problem statement: Answer the MCQ question.
Question: Which drug exhibits a 20.856\% 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 additional words.
Options:
a: O=C(Nc1ccc(NC(=O)c2ccco2)nc1)c1ccco1
b: COc1cc(/C=C2/NC(=O)N(Cc3ccccc3F)C2=O)ccc1Oc1ccc([N+](=O)[O-])cn1
c: COc1ccc(N2CCN(C(=O)CSc3ncccc3-c3nc4ccccc4[nH]3)CC2)cc1
d: CN(CCO)CCC(=O)NC1(C)CS(=O)(=O)CC1S(=O)(=O)[O-].[Na+]
Answer: b. COc1cc(/C=C2/NC(=O)N(Cc3ccccc3F)C2=O)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_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#}
COc1cc(/C=C2/NC(=O)N(Cc3ccccc3F)C2=O)ccc1Oc1ccc([N+](=O)[O-])cn1
COc1cc(/C=C2/NC(=O)N(Cc3ccccc3F)C2=O)ccc1Oc1ccc([N+](=O)[O-])cn1
(5E)-3-[(2-fluorophenyl)methyl]-5-[[3-methoxy-4-(5-nitropyridin-2-yl)oxyphenyl]methylidene]imidazolidine-2,4-dione