Using O=C1COc2cc(F)c(Br)cc2N1, CCOC(=O)C(C)Br to produce CCOC(=O)C(C)N1C(=O)COc2cc(F)c(Br)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.