Problem statement: Answer the MCQ question.
Query: Which drug exhibits a 3.675\% 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 other words.
Options:
a: OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
b: CCCCCCC(=O)Nc1nc2c(ccc3onc(-c4ccccc4[N+](=O)[O-])c32)s1
Answer: a. OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
{#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#}
OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
OCCC1CN(Cc2cccn2-c2ccccn2)CCN1C1CCCC1
2-[1-cyclopentyl-4-[(1-pyridin-2-ylpyrrol-2-yl)methyl]piperazin-2-yl]ethanol