Using C[Mg+], CC(=O)C1CCN(C(=O)CCC2(c3ccc(Cl)cc3)c3ccccc3-c3nccn32)CC1 to produce CC(C)(O)C1CCN(C(=O)CCC2(c3ccc(Cl)cc3)c3ccccc3-c3nccn32)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.