Using CCOC(=O)N1CCN(C(=O)[C@H](CCC(=O)OC(C)(C)C)NC(=O)c2cc(O)n(-c3ccccc3)n2)CC1, CCOC(=O)C(C)Br to produce CCOC(=O)N1CCN(C(=O)[C@H](CCC(=O)O)NC(=O)c2cc(OC(C)C(=O)O)n(-c3ccccc3)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.