Using COc1cc2c(Nc3ccc(Cl)cc3F)ncnc2cc1O, COC(CBr)OC to produce COc1cc2c(Nc3ccc(Cl)cc3F)ncnc2cc1OCC(OC)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.