You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[(5Z)-5-[[4-hexyl-5-[2-hexyl-4-[3-hexyl-4-[4-[3-(9-phenylcarbazol-3-yl)carbazol-9-yl]phenyl]phenyl]cyclohexa-1,3-dien-1-yl]thiophen-2-yl]methylidene]-4-oxo-2-sulfanylidene-1,3-thiazolidin-3-yl]acetic acid is the IUPAC name of a molecule. Please give its molecular formula.
user
C76H75N3O3S3
assistant