Task: Answer the multiple choice question.
Query: Which drug exhibits a 13.897\% 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) CCOC(=O)c1c(C)[nH]c(N=Nc2ccc(C)cc2C)c1C
(b) COCCCNC(=O)NC(=O)c1ccccc1
Answer: a. CCOC(=O)c1c(C)[nH]c(N=Nc2ccc(C)cc2C)c1C
{#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#}
ethyl 5-[(2,4-dimethylphenyl)diazenyl]-2,4-dimethyl-1H-pyrrole-3-carboxylate