Using CC(C)(C#N)CN1C(=O)C2(OCCCO2)c2cc(Cl)ccc21 to produce CC1(C)CN=C2N(C1)c1ccc(Cl)cc1C21OCCCO1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.