Using CCOc1cc2c(cc1OC)C(c1cccc(C(=O)OC)c1)=N[C@@H]1CCSC[C@H]21 to produce CCOc1cc2c(cc1OC)C(c1cccc(C(=O)O)c1)=N[C@@H]1CCSC[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.