You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[5-methyl-2-(3-methylphenyl)-1H-imidazo[1,2-b][1,2,4]triazol-6-yl]ethanamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C14H17N5
assistant