You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
(6R)-7-[[2-carboxy-2-(propanoylamino)pentanoyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-4-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C17H23N3O7S
assistant