You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(2R,5R,6S)-6-[[3-(2-chlorophenyl)-5-methyl-1,2-oxazole-4-carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate The above is the IUPAC name of a molecule. Write its molecular formula.
user
C19H17ClN3O5S-
assistant