Using CSC[C@H](NC(=O)OC(C)(C)C)C(=O)O, CC(C)(C)NC(=O)[C@@H]1CCCCN1C[C@@H](O)[C@@H](N)Cc1ccccc1 to produce CC(C)(C)NC(=O)[C@@H]1CCCCN1C[C@@H](O)[C@H](Cc1ccccc1)NC(=O)[C@H](CS)NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.