Using CCOC(=O)CCCOc1ccc(Oc2c(-c3ccccc3)c(C)cc3cc(OC)ccc23)cc1 to produce COc1ccc2c(Oc3ccc(OCCCC(=O)O)cc3)c(-c3ccccc3)c(C)cc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.