Using Nc1ccc2cc(C(=O)O)cc(O)c2c1N, Cc1ccc(-c2ccc(C=O)o2)cc1C to produce Cc1ccc(-c2ccc(-c3nc4c(ccc5cc(C(=O)O)cc(O)c54)[nH]3)o2)cc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.