Using CC(C)[Mg]Br, O=C1CN(C(c2ccccc2)c2ccccc2)C1 to produce CC(C)C1(O)CN(C(c2ccccc2)c2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.