Using O=C([O-])c1ccc(S(=O)(=O)O)cc1, CCn1c(N)c(N)c(=O)n(CC)c1=O to produce CCn1c(=O)c2[nH]c(-c3ccc(S(=O)(=O)O)cc3)nc2n(CC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.