Using Oc1ccn(-c2ccc(Cl)cc2)n1, COC(=O)C(=O)c1cccnc1Cl to produce COC(=O)C(=O)c1cccnc1Oc1ccn(-c2ccc(Cl)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.