Using CC(C)(C)OC(=O)N1CC[C@H](N)C1, O=C(Br)CBr to produce CC(C)(C)OC(=O)N1CC[C@H](NC(=O)CBr)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.