Using COc1ccc2c(Oc3ccc(OCC(=O)O)cc3)c(-c3ccccc3)c(C)cc2c1 to produce Cc1cc2cc(O)ccc2c(Oc2ccc(OCC(=O)O)cc2)c1-c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.