Task: Answer the multiple choice question.
Question: Which drug has a 12.744\% 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 other words.
Options:
a: COc1cc(-c2c(-c3ccco3)noc2-c2ccccc2)cc(OC)c1OC
b: O=[N+]([O-])c1cc(/C=N/N2CCOCC2)cs1
c: CC(C)Cn1c(=O)n(C)c(=O)c2c(=S)nc(CC(C)(C)C)[nH]c21
d: COc1ccc(NC(=O)c2ccccc2)cc1
Answer: b. O=[N+]([O-])c1cc(/C=N/N2CCOCC2)cs1
{#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-])c1cc(/C=N/N2CCOCC2)cs1
O=[N+]([O-])c1cc(/C=N/N2CCOCC2)cs1
(E)-N-morpholin-4-yl-1-(5-nitrothiophen-3-yl)methanimine