Using CCOC(=O)c1cc(C(=O)OC)cc(N[C@@H](C)CC)n1 to produce CCOC(=O)c1cc(C(=O)O)cc(N[C@@H](C)CC)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.