Task: Answer the multiple-choice question.
Question: Which drug exhibits a -37.218\% 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)C1(CCOc2ccccc2)CCN(Cc2ccccc2OC)CC1
b) O=c1c2ccccc2nc(-c2ccc(Cl)cc2)n1C1CCS(=O)(=O)C1
Answer: a. CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2ccccc2OC)CC1
{#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)C1(CCOc2ccccc2)CCN(Cc2ccccc2OC)CC1
CCOC(=O)C1(CCOc2ccccc2)CCN(Cc2ccccc2OC)CC1
ethyl 1-[(2-methoxyphenyl)methyl]-4-(2-phenoxyethyl)piperidine-4-carboxylate