Using C=Cc1cc2c(cc1C1CC1)C(=O)OC2, O=C(OO)c1cccc(Cl)c1 to produce O=C1OCc2cc(C3CO3)c(C3CC3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.