You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Can you give the molecular formula of the molecule 4-[[[5-[[3-[(2-amino-3,4-dioxocyclobuten-1-yl)amino]-4-fluorophenyl]methylcarbamoyl]-3-carbamoylpyrazolo[1,5-a]pyrimidine-7-carbonyl]amino]methyl]benzoic acid ?
user
C28H21FN8O7
assistant