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 N-[2-[6-(furan-2-yl)pyridazin-3-yl]oxyethyl]-2-methyl-2-(6-oxo-3-thiophen-2-ylpyridazin-1-yl)propanamide ?
user
C22H21N5O4S
assistant