Using CCOC(=O)CCCCC(C1=C(C)C(=O)C(C)=C(C)C1=O)c1cccs1 to produce CC1=C(C)C(=O)C(C(CCCCC(=O)O)c2cccs2)=C(C)C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.