Using COC(=O)[C@H](N)C(C)C, CC(C)(C)OC(=O)N(CC(=O)O)CC(=O)NCC(=O)c1ccc(Br)cc1 to produce COC(=O)C(NC(=O)CN(CC(=O)NCC(=O)c1ccc(Br)cc1)C(=O)OC(C)(C)C)C(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.