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-[6-(3,5-dimethylpiperidin-1-yl)sulfonyl-3-oxo-1,4-benzoxazin-4-yl]-N-propan-2-ylacetamide .
user
C20H29N3O5S
assistant