Using CCOC(=O)C(=O)CC(=O)c1ccc(NC=O)cc1, NNc1ccc(F)cc1 to produce CCOC(=O)c1cc(-c2ccc(N)cc2)n(-c2ccc(F)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.