Using CC(=O)OC(C)=O, c1ccc(-c2cc3ccccc3[nH]2)cc1 to produce O=C(O)C1CC=C(c2c(-c3ccccc3)[nH]c3ccccc23)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.