You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
4-[[(S)-(2-ethyl-1,3-thiazol-4-yl)methylsulfinyl]methyl]-5-methyl-2-phenyl-1,3-oxazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C17H18N2O2S2
assistant