Using CC(C)(C)OC(=O)N1CCC(C)(N2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)CC1 to produce CC1(N2CCC(Oc3ccc(Cl)c(Cl)c3)CC2)CCNCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.