Using CCOC(=O)COc1cccc(C=O)c1, CC(=O)c1ccc(O)c(C)c1 to produce Cc1cc(C(=O)/C=C/c2cccc(OCC(=O)O)c2)ccc1O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.