Using CC(C)(C)c1ccc(C(=O)N[C@@H](Cc2ccc(-c3ncc(Br)cn3)cc2)C(=O)O)s1, COC(=O)[C@H]1CCNC1 to produce COC(=O)[C@H]1CCN(C(=O)[C@H](Cc2ccc(-c3ncc(Br)cn3)cc2)NC(=O)c2ccc(C(C)(C)C)s2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.