Using OB(O)C1CC1, O=c1n(CCc2cc(Br)ccn2)nc2ccc(-c3ccc(OC(F)(F)F)cc3)cn12 to produce O=c1n(CCc2cc(C3CC3)ccn2)nc2ccc(-c3ccc(OC(F)(F)F)cc3)cn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.