Task: Answer the MCQ question.
Question: Which compound exhibits a 15.404\% 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] CCCCC(=O)Nc1ccc(C(=O)N2CCN(c3ccccc3OC)CC2)cc1
[b] Cc1cc(C)c2cc(C=O)c(Cl)nc2c1
[c] COc1ccc2c(c1OC)C(=O)OC2Nc1nc(-c2cccc([N+](=O)[O-])c2)cs1
Answer: c. COc1ccc2c(c1OC)C(=O)OC2Nc1nc(-c2cccc([N+](=O)[O-])c2)cs1
{#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#}
6,7-dimethoxy-3-[[4-(3-nitrophenyl)-1,3-thiazol-2-yl]amino]-3H-2-benzofuran-1-one