Using CCC1(C(=O)OC)CN(C(=O)OC(C)(C)C)CCN1C(=O)OCc1ccccc1 to produce CCC1(C(=O)OC)CN(C(=O)OC(C)(C)C)CCN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.