You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(1S,3aR,7aR)-5-[(3-methylimidazol-4-yl)methyl]-3,3a,4,6,7,7a-hexahydro-1H-furo[3,4-c]pyridin-1-yl]-N-(1,2-oxazol-3-ylmethyl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C18H25N5O3
assistant