Using O=Cc1ccccc1, CC(C)(C)OC(=O)NS(=O)(=O)C1CC1 to produce CC(C)(C)OC(=O)NS(=O)(=O)C1(C(O)c2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.