You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule (Z,1E)-1-[6-(1,1-difluoropropyl)spiro[2,4-dihydronaphthalene-3,1'-cyclobutane]-1-ylidene]pent-2-en-2-amine;ethane ?
user
C23H33F2N
assistant