Problem statement: Answer the multiple-choice question.
Question: Which compound exhibits a 3.407\% human ether-à-go-go related gene (hERG) inhibition at 1uM?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a CCOC(=O)c1cc(C#N)c(SCC(=O)OC)[nH]c1=O
b COc1ccc(NC(=O)c2cccc(S(=O)(=O)N3CCCCCC3)c2)cc1
c COc1ccc(C2OC(=O)CC2C(=O)NC2CCCC(C)C2C)cc1OC
d S=C(NCc1ccccc1)NCc1cccc(CNC(=S)NCc2ccccc2)c1
Answer: a. CCOC(=O)c1cc(C#N)c(SCC(=O)OC)[nH]c1=O
{#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(SCC(=O)OC)[nH]c1=O
CCOC(=O)c1cc(C#N)c(SCC(=O)OC)[nH]c1=O
ethyl 5-cyano-6-(2-methoxy-2-oxoethyl)sulfanyl-2-oxo-1H-pyridine-3-carboxylate