You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-[[6-(difluoromethoxy)-1,3-benzodioxol-5-yl]methyl]-3-ethyl-2-[[3-(methoxymethyl)phenyl]methyl]guanidine .
user
C21H25F2N3O4
assistant