You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
tetrabenzyl 6,18-bis[5-(dicyanomethylideneamino)thiophen-2-yl]-10,22-dioxa-5,17-dithia-7,19-diazahexacyclo[11.11.0.03,11.04,8.015,23.016,20]tetracosa-2,4(8),6,11,14,18,23-heptaene-9,9,21,21-tetracarboxylate is the IUPAC name of a molecule. Please give its molecular formula.
user
C64H40N8O10S4
assistant