You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-O-benzhydryl 7-O-tert-butyl 2-amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2,7-dicarboxylate .
user
C26H28N2O5S
assistant