Using CN(C(=O)OC(C)(C)C)[C@H](C(=O)N1CCOCC1)C(C)(C)c1ccccc1 to produce CN(C(=O)OC(C)(C)C)[C@H](C=O)C(C)(C)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.