You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
[2-[(3-tert-butyl-1,2-oxazol-5-yl)amino]-2-oxoethyl] 2-(4-acetylphenoxy)acetate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H22N2O6
assistant