Task: Answer the multiple-choice question.
Query: Which drug exhibits a 1.438\% 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)c1nc(Nc2cccc(C)c2)c2ccccc2n1
b) COc1ccc(Cl)cc1N1C(=O)C2CCCN2C1c1sccc1C
Answer: a. CCOC(=O)c1nc(Nc2cccc(C)c2)c2ccccc2n1
{#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)c1nc(Nc2cccc(C)c2)c2ccccc2n1
CCOC(=O)c1nc(Nc2cccc(C)c2)c2ccccc2n1
ethyl 4-(3-methylanilino)quinazoline-2-carboxylate