Task: Answer the multiple-choice question.
Question: Which drug exhibits a 1.908\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a: COc1ccc(N2CCN(C(=O)c3ccc(Br)o3)CC2)cc1
b: COCCN(CC1CCCN(C2Cc3ccccc3C2)C1)C(=O)CCC(F)(F)F
c: COc1ccccc1NC(=O)c1ccccc1-c1nc(-c2ccccc2OC)no1
Answer: a. COc1ccc(N2CCN(C(=O)c3ccc(Br)o3)CC2)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#}
COc1ccc(N2CCN(C(=O)c3ccc(Br)o3)CC2)cc1
COc1ccc(N2CCN(C(=O)c3ccc(Br)o3)CC2)cc1
(5-bromofuran-2-yl)-[4-(4-methoxyphenyl)piperazin-1-yl]methanone