Using N#Cc1ccc(Br)cc1, CCCCCCCCOc1ccc([Mg]Br)cc1 to produce CCCCCCCCOc1ccc(-c2ccc(C#N)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.