You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
For the molecule named (1R,9S)-11-(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridine-3-carbonyl)-7,11-diazatricyclo[7.3.1.02,7]trideca-2,4-dien-6-one by IUPAC nomenclature, provide its molecular formula.
user
C19H22N4O2
assistant