You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (6R)-7-[[(2E)-2-(2-amino-5-chloro-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C15H14ClN5O8S2
assistant