You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 2-[(4-chlorophenyl)-[3-[1-(3-cyano-5-fluorophenyl)-2-fluoro-2-methylpropyl]azetidin-1-yl]methyl]-1,3-thiazole-4-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C27H26ClF2N3O2S
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