You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 3-[[N'-methyl-N-[(2-morpholin-4-ylphenyl)methyl]carbamimidoyl]amino]azetidine-1-carboxylate;hydroiodide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H34IN5O3
assistant