You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-N-[(Z)-3H-inden-1-ylmethylideneamino]-4-N-(4-methylphenyl)-6-piperidin-1-yl-1,3,5-triazine-2,4-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C25H27N7
assistant