Task: Answer the multiple choice question.
Query: What is the human ether-à-go-go related gene (hERG) inhibition at 1uM of a compound with the SMILES O=C(O)CCc1nn2c3ccccc3nc2n(CCN2CCCCC2)c1=O?
Constraint: You must return none, one or more options from a, b, c, or d without using any additional words.
Options:
a) 6.791
b) -7.881
c) 12.327
d) 8.218
Answer: c. 12.327\%.
{#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}.
2-(3-hydroxy-3-oxopropyl)-4-(2-piperidin-1-ylethyl)-[1,2,4]triazino[2,3-a]benzimidazol-3-one