Problem statement: Answer the multiple-choice question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 1uM of a drug with the SMILES Cn1c(=O)[nH]c(=O)c2c1nc1n2CCCN1CCc1ccccc1?
Constraint: You must return none, one or more options from a, b, or c without using any other words.
Options:
a. 11.961
b. 6.261
c. 2.526
Answer: b. 6.261\%.
{#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}.
Cn1c(=O)[nH]c(=O)c2c1nc1n2CCCN1CCc1ccccc1
Cn1c(=O)[nH]c(=O)c2c1nc1n2CCCN1CCc1ccccc1
1-methyl-9-(2-phenylethyl)-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione