Using CC(=O)OCC(=O)Cl, Cc1cc(OCc2ccc(F)cc2F)c(Br)c(=O)n1-c1cc(NC(=O)OC(C)(C)C)ccc1F to produce CC(=O)OCC(=O)Nc1ccc(F)c(-n2c(C)cc(OCc3ccc(F)cc3F)c(Br)c2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.