Using COc1cnc(Oc2ccc(Nc3ccc(C)cn3)cc2)c(Br)c1, OB(O)c1ccnc(F)c1 to produce COc1cnc(Oc2ccc(Nc3ccc(C)cn3)cc2)c(-c2ccnc(F)c2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.