You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (2S)-3-[[4-(2,6-difluorophenyl)-1,3-thiazol-2-yl]methylsulfanyl]propane-1,2-diol by IUPAC nomenclature, provide its molecular formula.
user
C13H13F2NO2S2
assistant