You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-(cyclohexylmethyl)-8-[(2-methyl-1,3-thiazol-5-yl)methyl]-2,8-diazaspiro[3.5]nonan-3-one;2,2,2-trifluoroacetic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C21H30F3N3O3S
assistant