Using CCOC(=O)OC(=O)C(C(=O)OC(C)C)=C1SC=CS1, O=C(O)[C@@H]1CCCN1 to produce CC(C)OC(=O)C(C(=O)N1CCCC1C(=O)O)=C1SC=CS1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.