Using CCNS(=O)(=O)c1ccc(C(O)c2ccc3c(c2)C(C)(C)CCC3(C)C)cc1 to produce CCNS(=O)(=O)c1ccc(C(=O)c2ccc3c(c2)C(C)(C)CCC3(C)C)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.