You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [2-ethoxy-4-[(Z)-(2-imino-4-oxo-1,3-thiazolidin-5-ylidene)methyl]-6-iodophenyl] 4-nitrobenzenesulfonate is given. What is its corresponding molecular formula?
user
C18H14IN3O7S2
assistant