You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule N,N-dimethyl-2-[2-[[methyl-[(3-propyl-1H-pyrazol-5-yl)methyl]carbamoyl]amino]phenyl]acetamide into molecular formula.
user
C19H27N5O2
assistant