Using CC(C)(C)OC(=O)NC1CCC(=O)CC1, COC(=O)[C@@H](N)c1ccccc1 to produce COC(=O)[C@@H](NC1CCC(NC(=O)OC(C)(C)C)CC1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.