Using O=c1ccc2c(O)c3ccoc3cc2o1, BrCCCOc1ccccc1 to produce O=c1ccc2c(OCCCOc3ccccc3)c3ccoc3cc2o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.