Task: Answer the multiple choice question.
Query: Which compound exhibits a 4.139\% 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. COc1cc(NC(=O)CN(C)S(=O)(=O)c2ccc(C)cc2)cc(OC)c1
b. COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccc(C)cc1
Answer: b. COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccc(C)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#}
COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccc(C)cc1
COc1cc([N+](=O)[O-])ccc1NC(=O)CCCOc1ccc(C)cc1
N-(2-methoxy-4-nitrophenyl)-4-(4-methylphenoxy)butanamide