Using CCCCC(C(=O)OCC)N1CCC(CNC(=O)c2cc(Cl)c(N)nc2OC)CC1 to produce CCCCC(C(=O)O)N1CCC(CNC(=O)c2cc(Cl)c(N)nc2OC)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.