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 2-[4-(2,3-dihydro-1,4-benzodioxine-6-carbonyl)piperidin-1-yl]-N-(3-methyl-1,2-oxazol-5-yl)propanamide ?
user
C21H25N3O5
assistant