Task: Answer the multiple-choice question.
Query: Which compound exhibits a 10.645\% 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 additional words.
Options:
[a] Clc1ccc(C(c2ccc(Cl)cc2)n2cc[n+](CC(OCc3ccc(Cl)cc3Cl)c3ccc(Cl)cc3Cl)c2)cc1.[Cl-]
[b] COc1ccc(-c2nc(NC(=O)c3ccc(OCC(=O)Nc4ccc(F)cc4)c(OC)c3)sc2C)cc1
[c] CN(C)C=Nc1ccccc1C1C=NNC1=O
[d] Brc1cccc(-c2cnco2)c1
Answer: c. CN(C)C=Nc1ccccc1C1C=NNC1=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#}
CN(C)C=Nc1ccccc1C1C=NNC1=O
CN(C)C=Nc1ccccc1C1C=NNC1=O
N,N-dimethyl-N'-[2-(5-oxo-1,4-dihydropyrazol-4-yl)phenyl]methanimidamide