You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule (6R)-N-(3-chloro-4-fluorophenyl)-1-[2-[[1-(4,5-dihydro-1H-triazol-5-yl)cyclopropyl]amino]-2-oxoacetyl]-6-fluoro-2-methyl-6,7-dihydro-5H-pyrrolizine-3-carboxamide .
user
C22H21ClF2N6O3
assistant