Using C=CC[C@@]1(OCc2ccccc2)[C@@H](COCc2ccccc2)O[C@@H](n2cc(C)c(=O)[nH]c2=O)[C@@H]1OC(C)=O to produce C=CC[C@@]1(OCc2ccccc2)[C@@H](COCc2ccccc2)O[C@@H](n2cc(C)c(=O)[nH]c2=O)[C@@H]1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.