Task: Answer the MCQ question.
Question: Which drug has a -12.218% 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.) CCOC(=O)c1oc2ccccc2c1NC(=O)COC
b.) CCOCCCNC(=O)CCc1nnc2n(CCC(C)C)c(=O)c3ccccc3n12
Answer: a. CCOC(=O)c1oc2ccccc2c1NC(=O)COC
{#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#}
CCOC(=O)c1oc2ccccc2c1NC(=O)COC
CCOC(=O)c1oc2ccccc2c1NC(=O)COC
ethyl3-[(2-methoxyacetyl)amino]-1-benzofuran-2-carboxylate