You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
1-[2-[(3-ethyl-5-methoxy-1,2-oxazol-4-yl)diazenyl]-6-prop-1-en-2-ylphenyl]ethanone The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H19N3O3
assistant