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-[(4-chlorophenyl)methyl]-9-ethyl-7-methyl-4-[2-(3-methylazetidin-1-yl)-2-oxoethyl]-3-oxo-6,9-dihydro-5H-cyclopenta[c][1,8]naphthyridine-2-carboxamide ?
user
C28H31ClN4O3
assistant