Using OCC(O)COCc1ccccc1, BrCCCCCCOC1CCCCO1 to produce c1ccc(COCC(COCCCCCCOC2CCCCO2)OCCCCCCOC2CCCCO2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.