Using CCC(CC)(c1ccc(/C=C/C2(O)CCSCC2)c(C)c1)c1ccc(-c2ccc(CC(=O)OC)cc2)c(C)c1 to produce CCC(CC)(c1ccc(/C=C/C2(O)CCSCC2)c(C)c1)c1ccc(-c2ccc(CC(=O)O)cc2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.