Using Nc1ncc(Br)cc1C(=O)O, CC(C)(C)OC(=O)N1CCC(C(=O)NN)CC1 to produce CC(C)(C)OC(=O)N1CCC(C(=O)NNC(=O)c2cc(Br)cnc2N)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.