Using CC(C)(C)OC(=O)[C@@H]1CCCN1, CC(C)(NC(=O)OCc1ccccc1)C(=O)O to produce CC(C)(C)OC(=O)C1CCCN1C(=O)C(C)(C)NC(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.