Task: Answer the multiple-choice question.
Question: Which drug exhibits a -2.681\% 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 other words.
Options:
a. CNc1c(NC(=O)COc2ccc(Cl)cc2)c(=O)oc2ccccc12
b. COc1cc(CN2CC(C)OC(C)C2)cc(OC)c1
c. CN(C)c1ccc(NC(=O)c2ccc(COc3cccc(Cl)c3)o2)cc1
Answer: b. COc1cc(CN2CC(C)OC(C)C2)cc(OC)c1
{#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#}
COc1cc(CN2CC(C)OC(C)C2)cc(OC)c1
COc1cc(CN2CC(C)OC(C)C2)cc(OC)c1
4-[(3,5-dimethoxyphenyl)methyl]-2,6-dimethylmorpholine