Task: Answer the MCQ question.
Query: Which compound has a 13.076\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a COc1ccccc1Cn1c(=O)[nH]c2cccnc21
b COc1ccc(C2=NS(=O)(=O)N(C)C(C(=O)N3CCc4ccccc4C3)=C2)cc1OC
c COc1ccc(C(=O)NC(CO)c2nnc(SCc3ccc(Cl)c(Cl)c3)n2C)cc1
Answer: a. COc1ccccc1Cn1c(=O)[nH]c2cccnc21
{#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#}
COc1ccccc1Cn1c(=O)[nH]c2cccnc21
COc1ccccc1Cn1c(=O)[nH]c2cccnc21
3-[(2-methoxyphenyl)methyl]-1H-imidazo[4,5-b]pyridin-2-one