Using Nc1ncccc1Br, CC(C)(C)N(C(=O)[O-])[C@@H](Cc1ccc(C(=O)CBr)cc1)CN1C(=O)c2ccccc2C1=O to produce CC(C)(C)OC(=O)N[C@@H](Cc1ccc(-c2cn3cccc(Br)c3n2)cc1)CN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.