Using CCS(=O)(=O)c1ccc(Oc2cc3nc(-c4ccccn4)[nH]c3cc2CC(=O)N(C)OC)cc1, C[Mg]Br to produce CCS(=O)(=O)c1ccc(Oc2cc3nc(-c4ccccn4)[nH]c3cc2CC(C)=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.