Using CCN(CC)c1cccc2nc(C(=O)c3ccc(Cl)cc3Cl)n(CCNC(=O)OC(C)(C)C)c12 to produce CCN(CC)c1cccc2nc3n(c12)CCN=C3c1ccc(Cl)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.