Using CC(C)Cc1nn(C)c(=O)c2cc(C(O)c3cccc4ccccc34)sc12 to produce CC(C)Cc1nn(C)c(=O)c2cc(C(=O)c3cccc4ccccc34)sc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.