Task: Answer the MCQ question.
Query: Which compound exhibits a 6.591\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a C=CCn1c(CCC(=O)Nc2ccc(C)c(Cl)c2)nnc1SCC(=O)Nc1ccccc1C
b [N-]=[N+]=NCCN1CCC(O)CCC1=O
c O=C(Nc1ccc(OCC(=O)N2CCOCC2)cc1)Nc1cccc(Cl)c1
d CCN(CC(=O)Nc1c(F)cccc1F)C(=O)/C=C/c1ccc(OCC#N)c(OC)c1
Answer: b. [N-]=[N+]=NCCN1CCC(O)CCC1=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#}
[N-]=[N+]=NCCN1CCC(O)CCC1=O
[N-]=[N+]=NCCN1CCC(O)CCC1=O
1-(2-azidoethyl)-5-hydroxyazepan-2-one