You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tert-butyl 9-[(E)-3-[4-chloro-2-(methanesulfonamido)phenyl]prop-2-enoyl]-7-[(4-fluorophenyl)methyl]-3,7,9-triazabicyclo[3.3.1]nonane-3-carboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C28H34ClFN4O5S
assistant