Task: Answer the MCQ question.
Question: What is the human ether-à-go-go related gene (hERG) inhibition at a concentration of 10uM of a compound with the SMILES CCn1c2ccccc2c2cc(C3N=C(N)Nc4nc5ccccc5n43)ccc21?
Constraint: You must return none, one or more options from a or b without using any other words.
Options:
a 2.343
b -9.283
Answer: b. -9.283%.
{#Task|Problem statement!}: Answer the {#multiple choice|multiple-choice|MCQ!} question.
{#Question|Query!}: What is the {herg_central_at_10uM__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_10uM%SMILES%}
Answer: {%multiple_choice_result}. {herg_central_at_10uM#}{herg_central_at_10uM__units}.
CCn1c2ccccc2c2cc(C3N=C(N)Nc4nc5ccccc5n43)ccc21
CCn1c2ccccc2c2cc(C3N=C(N)Nc4nc5ccccc5n43)ccc21
4-(9-ethylcarbazol-3-yl)-1,4-dihydro-[1,3,5]triazino[1,2-a]benzimidazol-2-amine