You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
N-methyl-N-[(5-methyl-1,2-oxazol-3-yl)methyl]-2-(2-oxopiperidin-1-yl)acetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C13H19N3O3
assistant