You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named N-[(5-cyclopropyl-1,2,4-oxadiazol-3-yl)methyl]-N-[(5-methyl-2-pyrazol-1-ylphenyl)methyl]ethanamine is given. What is its corresponding molecular formula?
user
C19H23N5O
assistant