Using CCCCCC(CCCC(CC#CCCCC(=O)OC)S(C)(=O)=O)OC(C)=O to produce CCCCCC(O)CCCC(CC#CCCCC(=O)O)S(C)(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.