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 (7R)-N-[(2S)-1-(4-hydroxyphenyl)propan-2-yl]-N-methyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyridine-7-carboxamide .
user
C18H23N3O2
assistant