You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
What is the molecular formula of the compound with this IUPAC name 3-(2-phenyl-5,7-dihydro-4H-furo[2,3-c]pyridin-6-yl)-1-piperazin-1-ylpropan-1-one;hydrochloride ?
user
C20H26ClN3O2
assistant