Using COC(=O)Cc1cc(OC2CCC3(CC2)OCCO3)nc(C(F)(F)F)n1, BrCCBr to produce COC(=O)C1(c2cc(OC3CCC4(CC3)OCCO4)nc(C(F)(F)F)n2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.