You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 1-(2,2-difluoroethyl)-5-ethynyl-6-methylidene-2-[4-(2,2,2-trifluoroethoxy)phenyl]-3H-pyridin-3-ide;yttrium .
user
C18H13F5NOY-
assistant