Task: Answer the MCQ question.
Question: Which compound exhibits a 1.367\% 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. CC(=O)Nc1cccc(-c2cnc3ccccc3n2)c1
b. CC(=O)c1cccc(OCC(=O)Nc2cccc(C(=O)Nc3c(C)n(C)n(-c4ccccc4)c3=O)c2)c1
c. CC1(C)Cc2ccccc2-c2nnc(-c3ccc(O)cc3)n21
d. COc1ccc(C(=O)NCCc2ccc(C)cc2)cc1OC1CCN(C(C)=O)CC1
Answer: a. CC(=O)Nc1cccc(-c2cnc3ccccc3n2)c1
{#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#}
CC(=O)Nc1cccc(-c2cnc3ccccc3n2)c1
CC(=O)Nc1cccc(-c2cnc3ccccc3n2)c1
N-(3-quinoxalin-2-ylphenyl)acetamide