Using COc1ccc(S(=O)(=O)N(C)CP(=O)(O)O)cc1NC(C)=O to produce COc1ccc(S(=O)(=O)N(C)CP(=O)(O)O)cc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.