Using CC(C)(C)OC(=O)N1CCC(CC(=O)Nc2c(C(=O)Nc3ccc(Cl)cn3)oc3ccccc23)CC1 to produce O=C(CC1CCNCC1)Nc1c(C(=O)Nc2ccc(Cl)cn2)oc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.