Using CC(C)(C)OC(=O)N(CCCl)CCCl, COc1cccc(CC#N)c1 to produce COc1cccc(C2(C#N)CCN(C(=O)OC(C)(C)C)CC2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.