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 N-[[(3R)-2,3-dihydro-1,4-benzodioxin-3-yl]methyl]-2-[3,5-dimethyl-1-(2-methylpropyl)pyrazol-4-yl]acetamide .
user
C20H27N3O3
assistant