You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N'-[7-(1-methylpyrazol-4-yl)-1,5-naphthyridin-2-yl]-3-(2-trimethylsilylethoxymethylimino)propanimidamide is given. What is its corresponding molecular formula?
user
C21H29N7OSi
assistant