Using C[Mg+], O=C1CC(c2nc(-c3cccc(OCc4ccccc4)c3)c3c(Cl)nccn23)C1 to produce CC1(O)CC(c2nc(-c3cccc(OCc4ccccc4)c3)c3c(Cl)nccn23)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.