You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule methyl 1-[[(E)-[fluoro-[3-fluoro-2-[2-(2-methoxypropylamino)ethoxy]phenyl]methylidene]amino]methylamino]cyclobutane-1-carboxylate ?
user
C20H29F2N3O4
assistant