Task: Answer the multiple-choice question.
Question: Which compound has a 6.632\% 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) O=C(CN1CCN(c2ccccn2)CC1)Nc1cc(F)ccc1F
(b) O=C(O)CSCC(=O)N1CCCN(c2ccc(C(F)(F)F)cn2)CC1
Answer: a. O=C(CN1CCN(c2ccccn2)CC1)Nc1cc(F)ccc1F
{#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#}
O=C(CN1CCN(c2ccccn2)CC1)Nc1cc(F)ccc1F
O=C(CN1CCN(c2ccccn2)CC1)Nc1cc(F)ccc1F
N-(2,5-difluorophenyl)-2-(4-pyridin-2-ylpiperazin-1-yl)acetamide