You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named (5R)-9-benzylsulfonyl-1-[(3-fluoro-4-methoxyphenyl)methyl]-1,9-diazaspiro[4.5]decane is given. What is its corresponding molecular formula?
user
C23H29FN2O3S
assistant