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 N-methyl-6-[(2R)-4-[(1-methylbenzimidazol-2-yl)methyl]morpholin-2-yl]pyridin-2-amine using the IUPAC nomenclature.
user
C19H23N5O
assistant