Task: Answer the multiple choice question.
Query: What is the hERG inhibition at 1uM of a drug with the SMILES CCCCn1c(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)[nH]c(=O)n2C?
Constraint: You must return none, one or more options from a, b, or c without using any additional words.
Options:
[a] 17.255
[b] 12.579
[c] 4.095
Answer: c. 4.095\%.
{#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(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)[nH]c(=O)n2C
CCCCn1c(CN2CCN(c3cccc(Cl)c3)CC2)nc2c1c(=O)[nH]c(=O)n2C
7-butyl-8-[[4-(3-chlorophenyl)piperazin-1-yl]methyl]-3-methylpurine-2,6-dione