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 4-(2,3-dihydro-1,4-benzoxazin-4-yl)-N-[3-methyl-2-(pyrrolidine-1-carbonyl)phenyl]-4-oxobutanamide .
user
C24H27N3O4
assistant