Task: Answer the multiple choice question.
Question: Which compound has a 4.260\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a. CC1CCN(C(=O)C2COc3ccccc3O2)CC1
b. CSc1ccccc1NC(=O)CN(C)CC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-]
Answer: b. CSc1ccccc1NC(=O)CN(C)CC(=O)Nc1ccc(Cl)cc1[N+](=O)[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#}
CSc1ccccc1NC(=O)CN(C)CC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-]
CSc1ccccc1NC(=O)CN(C)CC(=O)Nc1ccc(Cl)cc1[N+](=O)[O-]
N-(4-chloro-2-nitrophenyl)-2-[methyl-[2-(2-methylsulfanylanilino)-2-oxoethyl]amino]acetamide