Using CC(C)(C)OC[C@H](NC(=O)OCc1ccccc1)C(=O)N[C@@H](COC(C)(C)C)C(=O)NN, COC(=O)[C@H](C)NC(=O)[C@@H](N)CC(N)=O to produce COC(=O)[C@H](C)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](COC(C)(C)C)NC(=O)[C@H](COC(C)(C)C)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.