Using CCOc1cc(C(=O)OC)cc(OCC)c1-c1cnn(C2CC2)c1 to produce CCOc1cc(C(=O)O)cc(OCC)c1-c1cnn(C2CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.