Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 13.259\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
[a] NC(=O)c1ccc(N=C2C(=O)Nc3ccc([N+](=O)[O-])cc32)cc1
[b] CN(NC(=O)COc1ccccc1)C1=NS(=O)(=O)c2ccccc21
[c] COc1ccc(C(=O)NCCc2cc3c(OC)ccc(OC)c3[nH]c2=O)cc1OC
Answer: a. NC(=O)c1ccc(N=C2C(=O)Nc3ccc([N+](=O)[O-])cc32)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#}
NC(=O)c1ccc(N=C2C(=O)Nc3ccc([N+](=O)[O-])cc32)cc1
NC(=O)c1ccc(N=C2C(=O)Nc3ccc([N+](=O)[O-])cc32)cc1
4-[(5-nitro-2-oxo-1H-indol-3-ylidene)amino]benzamide