You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(2S)-1-[[2-(methylsulfonylmethyl)-1,3-thiazol-4-yl]methyl]pyrrolidin-2-yl]-4-phenyl-5-propan-2-yl-1,3-oxazole is the IUPAC name of a molecule. Please give its molecular formula.
user
C22H27N3O3S2
assistant