You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named [5-[(E)-2-ethyl-4-[3-(3-methoxyprop-1-en-2-yl)-2,5-dihydrofuran-2-yl]but-1-enyl]furan-2-yl]methanol is given. What is its corresponding molecular formula?
user
C19H26O4
assistant