You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 4-[5-chloro-6-(cyclopropylmethylamino)pyridin-3-yl]oxy-N-(dimethylsulfamoyl)-2,5-difluorobenzamide .
user
C18H19ClF2N4O4S
assistant