Using COc1cc(OC)nc(S(C)(=O)=O)n1, CCOC(=O)Cc1ccccc1C to produce CCOC(=O)C(c1nc(OC)cc(OC)n1)c1ccccc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.