Task: Answer the multiple choice question.
Query: Which drug has a 0.539\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
(a) Cc1ccc(S(=O)(=O)C(C#N)c2nc3ccccc3nc2N2CC(C)OC(C)C2)cc1C
(b) CC(C)CNC(=O)CC1Nc2ccccc2NC1=O
(c) COc1ccc(N2CC(C(=O)N3CCCC(C)C3)CC2=O)cc1
Answer: b. CC(C)CNC(=O)CC1Nc2ccccc2NC1=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#}
CC(C)CNC(=O)CC1Nc2ccccc2NC1=O
CC(C)CNC(=O)CC1Nc2ccccc2NC1=O
N-(2-methylpropyl)-2-(3-oxo-2,4-dihydro-1H-quinoxalin-2-yl)acetamide