Task: Answer the multiple-choice question.
Question: Which drug exhibits a -5.143% human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a. COC(=O)c1ccc(-c2ncc[nH]2)cc1
b. CCOC(=O)C1(Cc2ccccc2)CCCN(C2CCN(C(C)=O)CC2)C1
Answer: a. COC(=O)c1ccc(-c2ncc[nH]2)cc1
{#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#}
COC(=O)c1ccc(-c2ncc[nH]2)cc1
COC(=O)c1ccc(-c2ncc[nH]2)cc1
methyl 4-(1H-imidazol-2-yl)benzoate