You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Provide the molecular formula for the IUPAC named substance 2-ethoxy-6-methyl-N-[(1R)-1-(2-oxo-3,4-dihydro-1H-quinolin-6-yl)ethyl]pyridine-3-carboxamide .
user
C20H23N3O3
assistant