Task: Answer the multiple-choice question.
Query: Which drug has a 17.064\% 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 other words.
Options:
a O=C(COc1ccc(Cl)cc1)Nc1ncccn1
b O=C1CN(C(=O)c2ccccc2)C(c2ccccc2)c2cc(Cl)ccc2N1
c Cl.Clc1cc(I)cc(Cl)c1NC1=NCCN1
d CCOc1ccccc1NC(=O)COC(=O)c1cc[n+]([O-])cc1
Answer: d. CCOc1ccccc1NC(=O)COC(=O)c1cc[n+]([O-])cc1
{#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#}
CCOc1ccccc1NC(=O)COC(=O)c1cc[n+]([O-])cc1
CCOc1ccccc1NC(=O)COC(=O)c1cc[n+]([O-])cc1
[2-(2-ethoxyanilino)-2-oxoethyl] 1-oxidopyridin-1-ium-4-carboxylate