Using C=CCc1cc2c(=O)c3ccccc3oc2c(C)c1O, O=C(OO)c1cccc(Cl)c1 to produce Cc1c2c(cc3c(=O)c4ccccc4oc13)CC(CO)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.