Task: Answer the multiple-choice question.
Query: Which drug exhibits a -0.527\% 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: CCCCn1c(N)c(N(CC)C(=O)c2cccc(OCc3ccccc3)c2)c(=O)[nH]c1=O
b: Cc1nn(-c2ccccc2)c(C)c1CN(C)C(=O)c1ccc(S(=O)(=O)NCc2ccco2)cc1
c: CN(Cc1nc2ccccc2n1C)C(=O)c1ccco1
Answer: a. CCCCn1c(N)c(N(CC)C(=O)c2cccc(OCc3ccccc3)c2)c(=O)[nH]c1=O
{#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#}
CCCCn1c(N)c(N(CC)C(=O)c2cccc(OCc3ccccc3)c2)c(=O)[nH]c1=O
CCCCn1c(N)c(N(CC)C(=O)c2cccc(OCc3ccccc3)c2)c(=O)[nH]c1=O
N-(6-amino-1-butyl-2,4-dioxopyrimidin-5-yl)-N-ethyl-3-phenylmethoxybenzamide