Using COc1cc(/C=C2/C(=O)OC[C@H]2Cc2cc(OC)c3c(c2)OCO3)cc(OC)c1OC to produce COc1cc(C[C@@H]2COC(=O)/C2=C/c2cc(OC)c(OC)c(OC)c2)cc(O)c1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.