Using C[Mg]Cl, CC(C)(C)c1cc(=O)cc(C(C)(C)C)[se]1 to produce Cc1cc(C(C)(C)C)[se+]c(C(C)(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.