Using CC(C)(C)OC(=O)N1CCC(c2ccc(Cl)c(Cl)c2)(C(O)c2ccccn2)CC1 to produce OC(c1ccccn1)C1(c2ccc(Cl)c(Cl)c2)CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.