Using Nc1nc(-c2ccc(Cl)cc2)n[nH]1, CCOC(=O)CC(=O)c1ccc(Cl)c(OC)c1 to produce COc1cc(-c2cc(=O)n3nc(-c4ccc(Cl)cc4)nc3[nH]2)ccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.