Using CC(C)(C)OC(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)O, CCCC[C@@H](N)C(=O)OC to produce CCCC[C@@H](NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)OC(C)(C)C)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.