You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
ethyl 3-[4-[[2-oxo-3-[4-(N-phenylmethoxycarbonylcarbamimidoyl)phenyl]-1,3-oxazolidin-5-yl]methyl]piperazin-1-yl]propanoate;[2-oxo-3-[4-(N-phenylmethoxycarbonylcarbamimidoyl)phenyl]-1,3-oxazolidin-5-yl]methyl methanesulfonate is the IUPAC name of a molecule. Please give its molecular formula.
user
C48H56N8O13S
assistant