Using CN(C)C1(c2ccccc2)CCC(=O)CC1, COc1ccc([Mg]Br)cc1 to produce COc1ccc(C2(O)CCC(c3ccccc3)(N(C)C)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.