Using COC(=O)c1ccc(-c2ccccc2)cc1NC(=O)c1ccc(C)cc1OC(C)=O to produce Cc1ccc(C(=O)Nc2cc(-c3ccccc3)ccc2C(=O)O)c(O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.