You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (2S,5R)-3,3,6-trimethyl-7-oxo-6-[(2-phenylsulfanylbenzoyl)amino]-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid ?
user
C22H22N2O4S2
assistant