You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2-ethoxyphenyl)-[3-[5-(methoxymethyl)-1,2,4-oxadiazol-3-yl]-3-methylpiperidin-1-yl]methanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H25N3O4
assistant