You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 5-amino-3-[5-(2-amino-1,1-difluoro-2-oxoethyl)-5-hydroxy-2,3,3a,4,6,6a-hexahydro-1H-pentalen-2-yl]-N-(3-chloro-4-fluorophenyl)-1-methylpyrazole-4-carboxamide into molecular formula.
user
C21H23ClF3N5O3
assistant