Using CCOC(=O)C(Nc1ccc(C(=N)NO)cc1)c1cc(OCC)cc(OCC)c1F to produce CCOc1cc(OCC)c(F)c(C(Nc2ccc(C(=N)NO)cc2)C(=O)O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.