You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[[2-(4-ethoxy-3-methoxyphenyl)-1,3-thiazol-4-yl]methylsulfanyl]-5-methyl-1,3,4-thiadiazole The above is the IUPAC name of a molecule. Write its molecular formula.
user
C16H17N3O2S3
assistant