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 (6R)-5-(3,5-dimethylphenyl)-N-[(4-fluorophenyl)methyl]-2-(furan-2-yl)-6-methyl-4-oxo-7H-pyrazolo[1,5-a]pyrazine-6-carboxamide .
user
C27H25FN4O3
assistant