You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
6-chloro-7-[4-[2-[6-[2-fluoro-4-(trifluoromethyl)phenyl]pyridazin-3-yl]acetyl]phenoxy]-3,4-dihydro-2H-chromene-4-carboxylic acid The above is the IUPAC name of a molecule. Write its molecular formula.
user
C29H19ClF4N2O5
assistant