Problem statement: Answer the multiple-choice question.
Query: Which drug exhibits a 2.807\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a: CCOC(=O)c1c(C)nc2c(C)cccn12
b: CC(C)(C)OC(=O)NC(Cc1ccccc1)C(=O)O
Answer: a. CCOC(=O)c1c(C)nc2c(C)cccn12
{#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#}
CCOC(=O)c1c(C)nc2c(C)cccn12
CCOC(=O)c1c(C)nc2c(C)cccn12
ethyl 2,8-dimethylimidazo[1,2-a]pyridine-3-carboxylate