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 2-(2-aminoethoxy)-5-chloro-N-[(1S)-1-(1-methylbenzimidazol-2-yl)ethyl]benzamide using the IUPAC nomenclature.
user
C19H21ClN4O2
assistant