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 3-[2-[5-(6,7-dimethoxyquinolin-4-yl)oxypyridin-2-yl]acetyl]-1-propan-2-ylquinolin-4-one ?
user
C30H27N3O5
assistant