Using COc1ccc(CNCC2CNC(=O)c3cccc4[nH]cc2c34)cc1 to produce O=C1NCC(CNCc2ccc(O)cc2)c2c[nH]c3cccc1c23, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.