You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (6R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-ethoxyiminoacetyl]amino]-3-[(4,6-diamino-1-prop-2-enylpyrimidin-1-ium-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid by IUPAC nomenclature, provide its molecular formula.
user
C22H26N9O5S3+
assistant