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 2-(3-cyclopropyl-6-oxopyridazin-1-yl)-N-[2-(8-methylimidazo[1,2-a]pyridin-2-yl)phenyl]acetamide ?
user
C23H21N5O2
assistant