Using CCOC(=O)C=O, COc1ccc(C(=O)Nc2c(Cl)cncc2Cl)c2c1oc1ccc(N)cc12 to produce CCOC(=O)CNc1ccc2oc3c(OC)ccc(C(=O)Nc4c(Cl)cncc4Cl)c3c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.