Using Cc1c(OC2CCCCO2)ccc2c(O)cc(=O)oc12, CCOCC(=O)O to produce CCOCC(=O)c1c(O)c2ccc(OC3CCCCO3)c(C)c2oc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.