Using O=c1[nH]c(Cl)nc2c1ccn2C1CC1, OB(O)c1ccc(C(F)(F)F)cc1 to produce O=c1[nH]c(-c2ccc(C(F)(F)F)cc2)nc2c1ccn2C1CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.