Using CCOC(=O)C(F)(F)Br, CCOC(=O)CCN(Cc1ccccc1)Cn1nnc2ccccc21 to produce CCOC(=O)CCN(Cc1ccccc1)CC(F)(F)C(=O)OCC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.