Using CCOC(=O)c1ccc(N2CCC(OC3C=CCCC3)CC2)cc1 to produce CCOC(=O)c1ccc(N2CCC(OC3CCCCC3)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.