Using CCc1cc(C(=O)O)sc1C=O, CCOC(=O)CCc1c(C)cc(C(=N)NO)cc1CC to produce CCc1cc(-c2nc(-c3cc(C)c(CCC(=O)O)c(CC)c3)no2)sc1C=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.