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 3-(3-methoxyphenyl)-3-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carbonylamino)butanoic acid .
user
C19H23N3O4
assistant