You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
pyridine-3-carbonyloxymethyl (2S,5R,6R)-3,3-dimethyl-7-oxo-6-[(2-phenylacetyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C23H23N3O6S
assistant