Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 12.746\% human ether-à-go-go related gene (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(C(=O)NC2CCN(CC(=O)Nc3c(C)cccc3C)CC2)cc1OC
b: COc1cccc(N2C(=O)CC(N3CCN(c4ccc([N+](=O)[O-])cc4)CC3)C2=O)c1
Answer: a. COc1ccc(C(=O)NC2CCN(CC(=O)Nc3c(C)cccc3C)CC2)cc1OC
{#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(=O)NC2CCN(CC(=O)Nc3c(C)cccc3C)CC2)cc1OC
COc1ccc(C(=O)NC2CCN(CC(=O)Nc3c(C)cccc3C)CC2)cc1OC
N-[1-[2-(2,6-dimethylanilino)-2-oxoethyl]piperidin-4-yl]-4,5-dimethoxybenzamide