Using O=C(Nc1ccn(Cc2cc(O)ccc2C(F)(F)F)n1)c1c(F)cccc1F, BrCC1CC1 to produce O=C(Nc1ccn(Cc2cc(OCC3CC3)ccc2C(F)(F)F)n1)c1c(F)cccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.