Problem statement: Answer the multiple choice question.
Question: Which compound exhibits a 6.480\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: COc1cccc(NC2=C(Cl)C(=O)OC2OC(=O)c2ccco2)c1
b: Cc1ccc(C)c(N2CCN(S(=O)(=O)c3ccc(-c4cc(C)no4)s3)CC2)c1
c: COc1ccc(OCCCN2CCCCCC2)cc1.O=C(O)C(=O)O
d: CCCCNC(=O)CCn1c(=O)c2ccccc2n(CC(=O)NCCc2ccc(OC)c(OC)c2)c1=O
e: Nc1cc(N2CCOCC2)c(Cl)cc1[N+](=O)[O-]
Answer: e. Nc1cc(N2CCOCC2)c(Cl)cc1[N+](=O)[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#}
Nc1cc(N2CCOCC2)c(Cl)cc1[N+](=O)[O-]
Nc1cc(N2CCOCC2)c(Cl)cc1[N+](=O)[O-]
(2-amino-5-chloro-4-morpholin-4-ylphenyl)-oxido-oxoazanium