Using COC(=O)CNC(=O)c1sccc1Nc1ccnc2[nH]ccc12, NCc1ccccc1 to produce O=C(CNC(=O)c1sccc1Nc1ccnc2[nH]ccc12)NCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.