Task: Answer the MCQ question.
Question: Which compound exhibits a 5.164\% 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) Cl.O=C(CN1CCN(c2ncccn2)CC1)NCCC1=CCCCC1
(b) CN(C)C(=O)CN(c1ccc(F)c(Cl)c1)S(C)(=O)=O
Answer: a. Cl.O=C(CN1CCN(c2ncccn2)CC1)NCCC1=CCCCC1
{#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#}
N-[2-(cyclohexen-1-yl)ethyl]-2-(4-pyrimidin-2-ylpiperazin-1-yl)acetamide;hydrochloride