You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named [3-[C-butan-2-yl-N-[C-(carboxymethylsulfanyl)-N-methylcarbonimidoyl]carbonimidoyl]-5-(3-methylsulfonylphenyl)phenyl]-methoxy-oxoazanium by IUPAC nomenclature, provide its molecular formula.
user
C23H28N3O6S2+
assistant