Problem statement: Answer the multiple choice question.
Question: Which drug exhibits a -2.941\% 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 Cc1ccccc1C1=NCC(=O)N(CC(=O)N2CCCCC2)c2sc(C)c(C)c21
b c1ccc(CN2CCN(c3nc4ccccc4c4ccccc34)CC2)cc1
c Cc1ccc2cccc(OC(=O)c3ccc4c(c3)OCCO4)c2n1
d CCCCOC(=O)CCc1c(C)[nH]c(=O)c(C#N)c1C
Answer: d. CCCCOC(=O)CCc1c(C)[nH]c(=O)c(C#N)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#}
CCCCOC(=O)CCc1c(C)[nH]c(=O)c(C#N)c1C
CCCCOC(=O)CCc1c(C)[nH]c(=O)c(C#N)c1C
butyl 3-(5-cyano-2,4-dimethyl-6-oxo-1H-pyridin-3-yl)propanoate