Task: Answer the multiple choice question.
Question: What is the hERG inhibition at a concentration of 1uM of a compound with the SMILES CCCC(=O)Nc1nnc(CC(=O)OCC)s1?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: 5.275
b: 2.643
c: 14.806
d: 11.536
e: 17.008
Answer: a. 5.275\%.
{#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}.
ethyl 2-[5-(butanoylamino)-1,3,4-thiadiazol-2-yl]acetate