Task: Answer the MCQ question.
Query: Which drug exhibits a 2.896\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a CCOC(=O)N1CCN(Cc2nc(N)nc(Nc3ccc(Cl)cc3)n2)CC1
b COc1ccc(CN2CCCCCC2)cc1OC
c CCOC(CNC(=O)c1cccn2c(=O)c3cc(Cl)ccc3nc12)OCC
d NS(=O)(=O)c1ccc(N=Nc2c(-c3ccccc3)[nH]n(-c3nc(-c4ccccc4)cs3)c2=O)cc1
Answer: b. COc1ccc(CN2CCCCCC2)cc1OC
{#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(CN2CCCCCC2)cc1OC
COc1ccc(CN2CCCCCC2)cc1OC
1-[(3,4-dimethoxyphenyl)methyl]azepane