Using CCOC(=O)N1CCc2ccc3c(c2CC1)C(Br)(c1cccnc1)C(F)(F)C3 to produce CCOC(=O)N1CCc2ccc3c(c2CC1)C(c1cccnc1)C(F)(F)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.