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 2-[(2-chlorophenyl)methylidene]-3-oxo-N-[3-(4-propylpiperazin-1-yl)propyl]-4H-1,4-benzoxazine-6-carboxamide .
user
C26H31ClN4O3
assistant