You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N',N'-dimethyl-N-[2-[[methyl(naphthalen-1-ylmethyl)amino]methyl]quinazolin-4-yl]propane-1,3-diamine The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H31N5
assistant