Using O=C([O-])[O-], CNC(=O)c1[nH]c2cccnc2c1Sc1ccccc1 to produce CNC(=O)c1c(Sc2ccccc2)c2ncccc2n1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.