Using CCOC(=O)N1CCCN(C(=O)N2Cc3ccccc3Oc3ccc(Cl)cc32)CC1 to produce O=C(N1CCCNCC1)N1Cc2ccccc2Oc2ccc(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.