Using Nc1ccccc1, CCOP(=O)(OCC)C(F)(F)c1cc2nc(C(=O)O)ccc2cc1Br to produce CCOP(=O)(OCC)C(F)(F)c1cc2nc(C(=O)Nc3ccccc3)ccc2cc1Br, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.