Using CCCCCCCOc1ccc(COc2cccc3c2CC(CC(=O)OCC)C3O)cc1 to produce CCCCCCCOc1ccc(COc2cccc3c2CC(CC(=O)O)C3O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.