Task: Answer the multiple-choice question.
Question: Which compound exhibits a 12.967\% human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
a CCOC(=O)CSc1nnc(-c2cccnc2)n1Cc1ccccc1
b COc1ccccc1C1OC2=C(Nc3ccc([N+](=O)[O-])cc3N2)C1=O
c CCO/C=C/C(O)(CNC(=O)COc1ccccc1F)C(F)(F)F
Answer: b. COc1ccccc1C1OC2=C(Nc3ccc([N+](=O)[O-])cc3N2)C1=O
{#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#}
COc1ccccc1C1OC2=C(Nc3ccc([N+](=O)[O-])cc3N2)C1=O
COc1ccccc1C1OC2=C(Nc3ccc([N+](=O)[O-])cc3N2)C1=O
2-(2-methoxyphenyl)-7-nitro-4,9-dihydrofuro[3,2-b]quinoxalin-3-one