Using O=C([O-])[O-], CCOC(=O)c1cc(O)c2c(cnn2C2CCCCO2)c1 to produce CCOC(=O)c1cc(OC)c2c(cnn2C2CCCCO2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.