You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tert-butyl 2-(2-methoxyethyl)-4-[(4-methylphenyl)-pyridin-2-ylmethyl]piperazine-1-carboxylate by IUPAC nomenclature, provide its molecular formula.
user
C25H35N3O3
assistant