Using C[Mg]Cl, CC(=O)N(c1cc[n+](Cc2ccccc2)c2ccccc12)C1CC1 to produce CC(=O)N(C1=CC(C)N(Cc2ccccc2)c2ccccc21)C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.