Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES COC(=O)c1ccc(COC(=O)C2CCN(S(=O)(=O)c3ccc(C)c(C)c3)CC2)o1?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a 19.550
b 4.657
Answer: a. 19.550\%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_1uM__names__noun} of a {#compound|drug!} with the {SMILES__description} {SMILES#}?
Constraint: You must return none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{herg_central_at_1uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_1uM#}{herg_central_at_1uM__units}.
COC(=O)c1ccc(COC(=O)C2CCN(S(=O)(=O)c3ccc(C)c(C)c3)CC2)o1
COC(=O)c1ccc(COC(=O)C2CCN(S(=O)(=O)c3ccc(C)c(C)c3)CC2)o1
(5-methoxycarbonylfuran-2-yl)methyl 1-(3,4-dimethylphenyl)sulfonylpiperidine-4-carboxylate