Using CC1(C)CC2(CC(C)(C)N1)NC(=O)NC2=O, CC(Cl)Br to produce CC1(C)CC2(CC(C)(C)N1)NC(=O)N(CCCl)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.