Task: Answer the multiple choice question.
Question: Which compound exhibits a 5.374\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a. COc1ccc(CCNC2CCCCCC2)cc1
b. COC(=O)CCc1cccc(CCC(=O)OC)c1
c. O=c1c(-c2ccc(Br)cc2)[n+]([O-])c2ccccc2n1OCc1ccccc1
d. CC(C)Oc1ccccc1C1(c2ccccc2)NC(=O)NC1=O
e. Cc1nnc(SCc2nc3sc(C(=O)O)c(C)c3c(=O)[nH]2)s1
Answer: c. O=c1c(-c2ccc(Br)cc2)[n+]([O-])c2ccccc2n1OCc1ccccc1
{#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=c1c(-c2ccc(Br)cc2)[n+]([O-])c2ccccc2n1OCc1ccccc1
O=c1c(-c2ccc(Br)cc2)[n+]([O-])c2ccccc2n1OCc1ccccc1
3-(4-bromophenyl)-4-oxido-1-phenylmethoxyquinoxalin-4-ium-2-one