Using CC(=O)Cn1c(COCc2ccccc2)nc(C(C)C)c1Sc1cc(Cl)cc(Cl)c1, C[Mg]Br to produce CC(C)c1nc(COCc2ccccc2)n(CC(C)(C)O)c1Sc1cc(Cl)cc(Cl)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.