Task: Answer the multiple choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES CCCCn1c(=O)[nH]c(=O)c2c(C(=O)OCC)cc(-c3cccs3)nc21?
Constraint: You must return none, one or more options from a, b, c, d, or e without using any additional words.
Options:
a 4.536
b 12.541
c 7.976
d 6.754
e 11.173
Answer: a. 4.536\%.
{#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}.
CCCCn1c(=O)[nH]c(=O)c2c(C(=O)OCC)cc(-c3cccs3)nc21
CCCCn1c(=O)[nH]c(=O)c2c(C(=O)OCC)cc(-c3cccs3)nc21
ethyl 1-butyl-2,4-dioxo-7-thiophen-2-ylpyrido[2,3-d]pyrimidine-5-carboxylate