Using O=C(c1ccc(Cl)cc1)c1ccc(Cl)cc1, CCOC(C)(OCC)n1cncn1 to produce OC(c1ccc(Cl)cc1)(c1ccc(Cl)cc1)c1nnc[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.