You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[4-[[N-methyl-C-(4-phenoxypiperidin-1-yl)carbonimidoyl]amino]butyl]piperidine-4-carboxamide is the IUPAC name of a molecule. Please give its molecular formula.
user
C23H37N5O2
assistant