Using CCOc1cc([C@H]2CS(=O)(=O)CC[C@H]2NC(=O)c2ccc(C(=O)OC)cc2)ccc1OC to produce CCOc1cc2c(cc1OC)C(c1ccc(C(=O)OC)cc1)=N[C@@H]1CCS(=O)(=O)C[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.