Task: Answer the multiple-choice question.
Question: Which compound exhibits a 15.216\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] COc1ccc(-c2cn[nH]c2-c2ccc(OC)cc2)cc1
[b] CCOC(=O)C1(CC2CC2)CCN(C(=O)c2cc(C3CC3)nc3ccccc23)CC1
[c] O=C(NC1CCS(=O)(=O)C1)c1ccc2c(c1)OCO2
Answer: a. COc1ccc(-c2cn[nH]c2-c2ccc(OC)cc2)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#}
COc1ccc(-c2cn[nH]c2-c2ccc(OC)cc2)cc1
COc1ccc(-c2cn[nH]c2-c2ccc(OC)cc2)cc1
4,5-bis(4-methoxyphenyl)-1H-pyrazole