Using CC(C)n1nc(OCc2ccccc2)c(C=O)c1Br, COc1ccc([Mg]Br)cc1 to produce COc1ccc(C(O)c2c(OCc3ccccc3)nn(C(C)C)c2Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.