Using COC(=O)c1cc(OCC(=O)N2CCC(OC)CC2)c2ccc(C)cc2n1 to produce COC1CCN(C(=O)COc2cc(C(=O)O)nc3cc(C)ccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.