Using CN(C)C1(C#N)CCC2(CC1)OCCO2, Cl[Mg]c1ccc(Cl)cc1 to produce CN(C)C1CCC2(CC1)OCC(c1ccc(Cl)cc1)O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.