Using CCOP(=O)(OCC)N1C2CCN(C(=O)OCc3ccccc3)CC21, C[Mg]Br to produce CCOP(=O)(NC1CN(C(=O)OCc2ccccc2)CCC1C)OCC, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.