Using CCOC(=O)C(=O)N1CCC(c2ccc(OC)c(OC3CCCC3)c2)CC1 to produce COc1ccc(C2CCN(C(=O)C(=O)O)CC2)cc1OC1CCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.