Using CCOC(=O)C1(c2ccc(OC3CCN(C4CCC4)CC3)cc2)CCOCC1 to produce O=C(O)C1(c2ccc(OC3CCN(C4CCC4)CC3)cc2)CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.