Using O=C1C(=Cc2ccccc2)N2CCC1CC2, Cl[Mg]Cc1ccccc1 to produce O=C1C2CCN(CC2)C1C(Cc1ccccc1)c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.