You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-N-ethyl-2-N-[(E)-(3-methylphenyl)methylideneamino]-6-(2-morpholin-4-ylethoxy)-1,3,5-triazine-2,4-diamine is the IUPAC name of a molecule. Please give its molecular formula.
user
C19H27N7O2
assistant