Using O=C(Nc1ccn(Cc2ccc(CO)cc2C(F)(F)F)n1)c1c(F)cccc1F, BrP(Br)Br to produce O=C(Nc1ccn(Cc2ccc(CBr)cc2C(F)(F)F)n1)c1c(F)cccc1F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.