You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Name the molecular formula for the molecule established as (3R,5S)-1-[(3-ethyl-1H-pyrazol-5-yl)methyl]-5-[(6-methylpyridin-3-yl)carbamoyl]piperidine-3-carboxylic acid using the IUPAC nomenclature.
user
C19H25N5O3
assistant