Using CC(C)(C)OC(=O)N[C@@H]1C(=O)Nc2ccccc2-c2ccccc21, COC(=O)CBr to produce COC(=O)CN1C(=O)[C@@H](NC(=O)OC(C)(C)C)c2ccccc2-c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.