You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Translate the chemical IUPAC name 4-amino-N-[4-[(6-amino-2,5,7,8-tetramethyl-4-oxo-3H-chromen-2-yl)methoxy]phenyl]pyrimidine-5-carboxamide into its molecular formula.
user
C25H27N5O4
assistant