Using CCOC(=O)COc1ccccc1C(Nc1ccc(C(=N)NC(=O)OC(C)(C)C)cc1)C(=O)OCC to produce N=C(N)c1ccc(NC(C(=O)O)c2ccccc2OCC(=O)O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.