Task: Answer the MCQ question.
Question: Which compound exhibits a 6.683\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a) COc1ccc(OCC(=O)Nc2ccc(N3CCN(C(=O)c4ccccc4C)CC3)cc2)cc1
b) Cc1c(Cl)c([N+](=O)[O-])nn1CCCC(=O)Nc1sc2c(c1C#N)CCC2
Answer: a. COc1ccc(OCC(=O)Nc2ccc(N3CCN(C(=O)c4ccccc4C)CC3)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(OCC(=O)Nc2ccc(N3CCN(C(=O)c4ccccc4C)CC3)cc2)cc1
COc1ccc(OCC(=O)Nc2ccc(N3CCN(C(=O)c4ccccc4C)CC3)cc2)cc1
2-(4-methoxyphenoxy)-N-[4-[4-(2-methylbenzoyl)piperazin-1-yl]phenyl]acetamide