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-[2-chloro-5-methoxy-4-[(2S)-2-methyl-2,3-dihydroindole-1-carbonyl]phenyl]acetamide using the IUPAC nomenclature.
user
C19H19ClN2O3
assistant