You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(5-methyl-[1,3]oxazolo[4,5-b]pyridin-2-yl)sulfanyl]-N-naphthalen-1-ylacetamide The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H15N3O2S
assistant