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-(2,2-dimethylpropyl)phenyl]ethyl]-4,6-difluorophenyl]-3-prop-2-ynylurea is given. What is its corresponding molecular formula?
user
C23H26F2N2O
assistant