Task: Answer the multiple-choice question.
Question: Which compound exhibits a 2.333\% 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. CCOC(=O)c1cnn(-c2cc(C)nc3c(-c4ccccc4)cnn23)c1N
b. Cc1ccc(S(=O)(=O)Nc2c(C(=O)O)[nH]c3ccccc23)cc1C
c. O=C(CNC(=O)c1ccco1)OC(C(=O)c1ccccc1)c1ccccc1
Answer: a. CCOC(=O)c1cnn(-c2cc(C)nc3c(-c4ccccc4)cnn23)c1N
{#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-amino-1-(5-methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)pyrazole-4-carboxylate