Task: Answer the multiple-choice question.
Question: Which drug exhibits a 3.560\% 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 additional words.
Options:
a) COC(=O)c1ccccc1OCC(=O)NC1CCCCC1
b) CCOC(=O)C1=NNC(C(=O)c2ccc(Cl)cc2)C1c1ccc(OC)cc1
c) O=C1OC(C(=O)Nc2ccccc2)Cc2ccccc21
d) CN(Cc1ccccc1)c1nc2c(c(=O)[nH]c(=O)n2C)n1Cc1ccccc1Cl
Answer: a. COC(=O)c1ccccc1OCC(=O)NC1CCCCC1
{#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#}
COC(=O)c1ccccc1OCC(=O)NC1CCCCC1
COC(=O)c1ccccc1OCC(=O)NC1CCCCC1
[C][O][C][=Branch1][C][=O][C][=C][C][=C][C][=C][Ring1][=Branch1][O][C][C][=Branch1][C][=O][N][C][C][C][C][C][C][Ring1][=Branch1]
methyl 2-[2-(cyclohexylamino)-2-oxoethoxy]benzoate