Task: Answer the MCQ question.
Query: Which compound has a 18.353\% 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. COc1ccc(C)cc1N(C(=O)COc1ccccc1)c1nc2ccccc2s1
b. COc1ccc(N2CCN(C(=O)COC(=O)CCOc3ccccc3C)CC2)cc1
Answer: a. COc1ccc(C)cc1N(C(=O)COc1ccccc1)c1nc2ccccc2s1
{#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#}
COc1ccc(C)cc1N(C(=O)COc1ccccc1)c1nc2ccccc2s1
COc1ccc(C)cc1N(C(=O)COc1ccccc1)c1nc2ccccc2s1
N-(1,3-benzothiazol-2-yl)-N-(2-methoxy-5-methylphenyl)-2-phenoxyacetamide