Using COC(=O)CCC(=O)Nc1ccc(OCCCN2CCN(c3ccccc3)CC2)c(OC)c1 to produce COc1cc(N2C(=O)CCC2=O)ccc1OCCCN1CCN(c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.