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