Using CC(C)(C)OC(=O)[C@@H]1CCCN1, CN(CC(=O)O)C(=O)OCc1ccccc1 to produce CN(CC(=O)N1CCC[C@H]1C(=O)OC(C)(C)C)C(=O)OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.