Using CC(=O)c1c(F)cccc1Oc1cnc2c(F)cccc2c1, CC(C)(C)[Mg]Cl to produce CC(C)(C)C(C)(O)c1c(F)cccc1Oc1cnc2c(F)cccc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.