Using CC(C)(N)c1ccc(Br)cc1, O=C(O)CC1CN2CCC1CC2 to produce CC(C)(NC(=O)CC1CN2CCC1CC2)c1ccc(Br)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.