Using CC(C)(C)OC(=O)N[C@@H](CCCCN)C(=O)O, CC(C)(C)OC(=O)N1CSC[C@H]1C(=O)O to produce CC(C)(C)OC(=O)N[C@@H](CCCCNC(=O)[C@@H]1CSCN1C(=O)OC(C)(C)C)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.