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 compound with the SMILES CCn1c(=O)[nH]c(=O)c2c(N)c(C(=O)c3ccccc3OC)sc21?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
(a) 2.475
(b) -15.222
(c) 10.735
(d) 10.441
Answer: a. 2.475\%.
{#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-amino-1-ethyl-6-(2-methoxybenzoyl)thieno[2,3-d]pyrimidine-2,4-dione