You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Under IUPAC nomenclature, a molecule named 1-[2-[2-(4-hydroxyheptan-4-yl)phenoxy]pyridin-3-yl]-3-[3-(trifluoromethoxy)phenyl]urea is given. What is its corresponding molecular formula?
user
C26H28F3N3O4
assistant