Task: Answer the multiple-choice question.
Query: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES COc1ccc2c(=O)c3c(=O)n(Cc4ccco4)c(-c4ccco4)nc3oc2c1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
[a] 8.821
[b] -4.324
[c] -12.818
Answer: c. -12.818\%.
{#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}.
COc1ccc2c(=O)c3c(=O)n(Cc4ccco4)c(-c4ccco4)nc3oc2c1
COc1ccc2c(=O)c3c(=O)n(Cc4ccco4)c(-c4ccco4)nc3oc2c1
2-(furan-2-yl)-3-(furan-2-ylmethyl)-8-methoxychromeno[2,3-d]pyrimidine-4,5-dione