Problem statement: Answer the MCQ question.
Query: Which compound exhibits a 15.763\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a O=C(COc1ccccc1)NCC(=O)Nc1cccc(S(=O)(=O)NC2=NCCC2)c1
b COc1cc(NC(=O)c2ccccc2Cl)c(OC)cc1NC(=O)CN1CCOCC1
c CCCCOn1c(C)c(C(=O)OCC)c2c3no[n+]([O-])c3ccc21
d N#Cc1cc(C(=O)c2ccccc2OCC(=O)Nc2ccccc2)cn(C2CCCCC2)c1=O
e COCCN(Cc1ccccc1)C(=O)c1ccc2c(c1)NC(=O)CS2
Answer: c. CCCCOn1c(C)c(C(=O)OCC)c2c3no[n+]([O-])c3ccc21
{#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#}
CCCCOn1c(C)c(C(=O)OCC)c2c3no[n+]([O-])c3ccc21
CCCCOn1c(C)c(C(=O)OCC)c2c3no[n+]([O-])c3ccc21
ethyl 6-butoxy-7-methyl-3-oxidopyrrolo[2,3-g][2,1,3]benzoxadiazol-3-ium-8-carboxylate