Using O=C([O-])O, Nc1cnc(N)c(C(=O)NCc2ccc(Oc3ccccc3)s2)c1 to produce COc1ccc(C(=O)NCc2ccc(Oc3ccccc3)s2)c(N)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.