You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (4E)-4-[(3-ethyl-1,3-benzothiazol-3-ium-2-yl)methylidene]-2-[(E)-(3-ethyl-1,3-benzoxazol-2-ylidene)methyl]-3-hydroxycyclobut-2-en-1-one;(4Z)-4-[(3-ethyl-1,3-benzothiazol-3-ium-2-yl)methylidene]-2-[(E)-(3-ethyl-1,3-benzoxazol-2-ylidene)methyl]-3-methylsulfanylcyclobut-2-en-1-one;(4Z)-4-[(3-ethyl-1,3-benzothiazol-3-ium-2-yl)methylidene]-2-[(E)-(3-ethyl-1,3-benzoxazol-2-ylidene)methyl]-3-sulfanylcyclobut-2-en-1-one;3-ethyl-2-methyl-1,3-benzothiazol-3-ium;3-ethyl-2-methyl-1,3-benzoxazol-3-ium;iodoethane;methane;2-methyl-1,3-benzothiazole;2-methyl-1,3-benzoxazole;bromide by IUPAC nomenclature, provide its molecular formula.
user
C116H125BrI2N10O9S7+4
assistant