Task: Answer the MCQ question.
Query: Which drug exhibits a -23.006\% 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 other words.
Options:
a: O=[N+]([O-])c1ccc(N2CCN(CC3CCCCC3)CC2)cc1
b: Cc1ccc(C(=O)OC(C)CN2C(C)CCCC2C)cc1.Cl
Answer: a. O=[N+]([O-])c1ccc(N2CCN(CC3CCCCC3)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#}
O=[N+]([O-])c1ccc(N2CCN(CC3CCCCC3)CC2)cc1
O=[N+]([O-])c1ccc(N2CCN(CC3CCCCC3)CC2)cc1
[4-[4-(cyclohexylmethyl)piperazin-1-yl]phenyl]-oxido-oxoazanium