Using COc1cc(C(=O)NCc2ccccc2)cc(NC(=O)c2ccccc2)n1 to produce O=C(NCc1ccccc1)c1cc(O)nc(NC(=O)c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.