Using CC(C)(C)OC(=O)NC(=O)OC(C)(C)C, BrCc1ccc(-c2ccccc2)nn1 to produce CC(C)(C)OC(=O)N(Cc1ccc(-c2ccccc2)nn1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.