Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 4.633% hERG inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1cccc2c(=O)cn[nH]c12
b) CC(=O)Nc1ccnn1C1CCN(C(=O)c2cccc(C)c2C)CC1
Answer: a. COc1cccc2c(=O)cn[nH]c12
{#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#}
COc1cccc2c(=O)cn[nH]c12
COc1cccc2c(=O)cn[nH]c12
8-methoxy-1H-cinnolin-4-one