Using C=C(C)c1cc(S(C)(=O)=O)cc2c1cc1n2CCC1CC(=O)OC to produce COC(=O)CC1CCn2c1cc1c(C(C)C)cc(S(C)(=O)=O)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.