Task: Answer the MCQ question.
Question: Which drug exhibits a 12.244\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
a) COc1cccc(C(=O)NC2CCCc3c2cnn3-c2ccc(C)c(C)c2)c1OC
b) CN1CCN(C(=O)c2ccccc2[N+](=O)[O-])CC1
Answer: b. CN1CCN(C(=O)c2ccccc2[N+](=O)[O-])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#}
CN1CCN(C(=O)c2ccccc2[N+](=O)[O-])CC1
CN1CCN(C(=O)c2ccccc2[N+](=O)[O-])CC1
(4-methylpiperazin-1-yl)-(2-nitrophenyl)methanone