Using O=C(O)c1ccc(OCc2ccccc2)c(C(=O)O)c1, COC(=O)c1ccc(OCc2ccccc2)c(C(=O)O)c1 to produce COC(=O)c1cc(C(=O)O)ccc1OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.