Using Brc1ccc(C2OCCO2)cc1, COc1c(C)c(C=O)c(OC)c(OC)c1OC to produce COc1c(C)c(C(O)c2ccc(C3OCCO3)cc2)c(OC)c(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.