Using CC(C)(C)NS(=O)(=O)c1cccc2c1CCCC2, CC(C)(C)NS(=O)(=O)c1ccc2c(c1)CCCC2 to produce CC(C)(C)NS(=O)(=O)c1cccc2c1C(O)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.