Task: Answer the MCQ question.
Question: What is the hERG inhibition at 1uM of a drug with the SMILES CCSc1nc2c([nH]c3ccccc32)c(=O)n1C?
Constraint: You must return none, one or more options from a, b, c, or d without using any other words.
Options:
[a] 4.486
[b] 3.213
[c] 13.709
[d] 2.807
Answer: a. 4.486\%.
{#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}.
CCSc1nc2c([nH]c3ccccc32)c(=O)n1C
CCSc1nc2c([nH]c3ccccc32)c(=O)n1C
2-ethylsulfanyl-3-methyl-5H-pyrimido[5,4-b]indol-4-one