Task: Answer the MCQ question.
Question: What is the hERG inhibition at a concentration of 1uM of a drug with the SMILES CCCCc1c(O)nc2n(c1=O)CCS2?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
[a] 16.709
[b] 3.771
[c] 13.097
[d] 12.293
Answer: b. 3.771\%.
{#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}.
CCCCc1c(O)nc2n(c1=O)CCS2
CCCCc1c(O)nc2n(c1=O)CCS2
6-butyl-7-hydroxy-2,3-dihydro-[1,3]thiazolo[3,2-a]pyrimidin-5-one