Using CC(=O)Nc1ccc(C=CC(=O)c2c(O)cccc2OCC(=O)O)cc1 to produce CC(=O)Nc1ccc(CCc2coc3cccc(O)c23)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.