Task: Answer the MCQ question.
Question: Which compound has a 7.239\% 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(c1cc(Br)ccc1OC(F)F)N1CCN2CCCC2C1
b. COc1ccc(-c2ccc(SCC(=O)N3c4ccccc4CC3C)nn2)cc1OC
Answer: a. O=C(c1cc(Br)ccc1OC(F)F)N1CCN2CCCC2C1
{#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(c1cc(Br)ccc1OC(F)F)N1CCN2CCCC2C1
O=C(c1cc(Br)ccc1OC(F)F)N1CCN2CCCC2C1
3,4,6,7,8,8a-hexahydro-1H-pyrrolo[1,2-a]pyrazin-2-yl-[5-bromo-2-(difluoromethoxy)phenyl]methanone