Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 12.428\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. CCOc1cccc(NC(=O)CC#N)c1
b. COc1ccc(C2C(C(=O)c3ccco3)=C(O)C(=O)N2CCc2ccccc2)cc1OC
Answer: a. CCOc1cccc(NC(=O)CC#N)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#}
CCOc1cccc(NC(=O)CC#N)c1
CCOc1cccc(NC(=O)CC#N)c1
2-cyano-N-(3-ethoxyphenyl)acetamide