You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
2-[3-oxo-2-(4-pyridin-2-ylphenyl)-7-oxa-1,4-diazaspiro[4.4]non-1-en-4-yl]-N-[3-(trifluoromethyl)phenyl]acetamide;hydrochloride The above is the IUPAC name of a molecule. Write its molecular formula.
user
C26H22ClF3N4O3
assistant