Using C[Mg]Cl, O=C(COC1CCN(c2nc3ccc(OCC4CC4)cc3o2)CC1)N1CCOCC1 to produce CC(=O)COC1CCN(c2nc3ccc(OCC4CC4)cc3o2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.