Using O=Cc1cccc(O)c1, Brc1ccc(OCCOC2CCCCO2)cc1 to produce O=Cc1cccc(Oc2ccc(OCCOC3CCCCO3)cc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.