Using NNc1ccccc1Cl, COC(=O)C(=O)CC(=O)c1ccco1 to produce COC(=O)c1cc(-c2ccco2)n(-c2ccccc2Cl)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.