You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (E)-1-(5-phenylindolo[3,2-c]carbazol-12-yl)-N-[(1Z,3Z)-1-(5-phenylindolo[3,2-c]carbazol-12-yl)penta-1,3-dienyl]methanimine by IUPAC nomenclature, provide its molecular formula.
user
C54H37N5
assistant