Using CCCc1c(OCC(O)COc2ccc3c(OCc4ccccc4)cc(=O)oc3c2)ccc(C(C)=O)c1O to produce CCCc1c(OCC(O)COc2ccc3c(O)cc(=O)oc3c2)ccc(C(C)=O)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.