Using CCNN, CCOC(=O)C(=O)CC(=O)c1ccc2c(c1)c1cc(-c3ccc(Cl)cc3Cl)c(=O)n(C)c1n2C to produce CCOC(=O)c1cc(-c2ccc3c(c2)c2cc(-c4ccc(Cl)cc4Cl)c(=O)n(C)c2n3C)n(CC)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.