You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named tert-butyl N-[(2R,3S)-2-(3,4-dichlorophenyl)-3-hydroxy-3-(2-methylsulfanylphenyl)propyl]-N-methylcarbamate is given. What is its corresponding molecular formula?
user
C22H27Cl2NO3S
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