You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named tetrasodium;5-[[6-[2-cyanoethyl(2-hydroxyethyl)amino]-4-(4-sulfonatoanilino)-1H-1,3,5-triazin-2-ylidene]amino]-2-[(E)-2-[4-[[6-[2-cyanoethyl(2-hydroxyethyl)amino]-4-(4-sulfonatoanilino)-1H-1,3,5-triazin-2-ylidene]amino]-2-sulfonatophenyl]ethenyl]benzenesulfonate by IUPAC nomenclature, provide its molecular formula.
user
C42H38N14Na4O14S4
assistant