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 ethyl (4R)-4-[3-chloro-4-[(4-fluorophenyl)methoxy]-5-methoxyphenyl]-2-methyl-5-oxo-1,4-dihydroindeno[1,2-b]pyridine-3-carboxylate .
user
C30H25ClFNO5
assistant