Using CCCC[C@H](C)C[C@H](O)/C=C/[C@H]1CCC(=O)[C@@H]1CCSc1nc(C(=O)OCC)cs1 to produce CCCC[C@H](C)C[C@H](O)/C=C/[C@H]1CCC(=O)[C@@H]1CCSc1nc(C(=O)O)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.