Task: Answer the multiple-choice question.
Question: Which compound has a 5.395\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1ccc(C(=O)NCCc2nnc3ccc(SCC(=O)N4CCCCC4)nn23)cc1
b: COc1cccc(N=C2NC(=O)/C(=C/c3cc([N+](=O)[O-])ccc3O)S2)c1
c: O=[N+]([O-])c1cccnc1N1CCC(c2cc(-c3cccc(C(F)(F)F)c3)n[nH]2)CC1
Answer: b. COc1cccc(N=C2NC(=O)/C(=C/c3cc([N+](=O)[O-])ccc3O)S2)c1
{#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#}
COc1cccc(N=C2NC(=O)/C(=C/c3cc([N+](=O)[O-])ccc3O)S2)c1
COc1cccc(N=C2NC(=O)/C(=C/c3cc([N+](=O)[O-])ccc3O)S2)c1
(5Z)-5-[(2-hydroxy-5-nitrophenyl)methylidene]-2-(3-methoxyphenyl)imino-1,3-thiazolidin-4-one