Task: Answer the multiple choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES CCCn1c(=O)n(C)c(=O)c2c(SCc3cc(C(C)=O)ccc3OCC)nc(C3CC3)nc21?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
a. 3.182
b. 6.551
c. 7.924
Answer: b. 6.551\%.
{#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}.
5-[(5-acetyl-2-ethoxyphenyl)methylsulfanyl]-7-cyclopropyl-3-methyl-1-propylpyrimido[4,5-d]pyrimidine-2,4-dione