Using N#Cc1ccc(Br)cc1, OB(O)c1c(F)cc(CCC2OCCO2)cc1F to produce N#Cc1ccc(-c2c(F)cc(CCC3OCCO3)cc2F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.