Using CCCCOC(=O)c1nc(Br)c2cc(Oc3ccc(F)cc3)ccc2c1O, CB1OB(C)OB(C)O1 to produce CCCCOC(=O)c1nc(C)c2cc(Oc3ccc(F)cc3)ccc2c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.