Using COc1ccc(C2=NC(NC(=O)OCc3ccccc3)C(=O)Nc3ccccc32)cc1 to produce COc1ccc(C2=NC(N)C(=O)Nc3ccccc32)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.