You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named ethyl 2-(benzenesulfonylmethyl)-4-[(diaminomethylideneamino)methyl]-5-hydroxy-1-methyl-6-pyridin-3-ylindole-3-carboxylate is given. What is its corresponding molecular formula?
user
C26H27N5O5S
assistant