Using COC(=O)[C@H]1CN(CCSc2cccs2)CC[C@H]1CCC(O)c1ccnc2ccc(OC)cc12 to produce COc1ccc2nccc(C(O)CC[C@@H]3CCN(CCSc4cccs4)C[C@@H]3C(=O)O)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.