Using CC(=O)OC(C)=O, N#CCC(O)COC(c1ccccc1)(c1ccccc1)c1ccccc1 to produce CC(=O)OC(CC#N)COC(c1ccccc1)(c1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.