Using CCOC(=O)c1cc(-c2ccc(OC)c(OC3CCCC3)c2)[nH]c1COCc1ccccc1 to produce CCOC(=O)c1cc(-c2ccc(OC)c(OC3CCCC3)c2)[nH]c1CO, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.