You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
benzene-1,3,5-tricarbaldehyde;1-[(3R)-3,4-diaminopyrrolidin-1-yl]-4-methoxybutan-1-one is the IUPAC name of a molecule. Please give its molecular formula.
user
C18H25N3O5
assistant