Task: Answer the multiple choice question.
Question: Which compound exhibits a 9.625\% hERG inhibition at a concentration of 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
[a] CCOC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
[b] CC(CC(=O)NC(C)c1ccc2c(c1)OCCO2)c1ccccc1
[c] CCOC(=O)c1[nH]c2c(c1-c1ccc(OC)cc1)C(=O)CC(c1ccc(OC)c(OC)c1)C2
[d] Cc1ccc(N2CC(C(=O)Nc3c4c(nn3C(C)(C)C)CS(=O)(=O)C4)CC2=O)cc1
Answer: a. CCOC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
{#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#}
CCOC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
CCOC(=O)c1cc(C#N)c(NCc2ccccc2)nc1C
ethyl 6-(benzylamino)-5-cyano-2-methylpyridine-3-carboxylate