You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named ethane;sulfanyl (E)-3-hydroxy-6-(4-hydroxy-6-methoxy-7-methyl-3-oxo-1H-2-benzofuran-5-yl)hex-4-enoate by IUPAC nomenclature, provide its molecular formula.
user
C18H24O7S
assistant