Using CC(C)(S)[C@@H](N)C(=O)O, CC(C)(C)OC(=O)CBr to produce CCOC(=O)N[C@H](C(=O)O)C(C)(C)SCC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.