Using CCCc1c(O)ccc2cc(C(=O)OCC)[nH]c12, COC(=O)C#CC(=O)OC to produce CCCc1c2[nH]c(C(=O)O)cc2cc2c(=O)cc(C(=O)O)oc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.