Using O=c1n(Cc2ccc(C(F)(F)F)nc2)nc2c(Br)c(Cl)ccn12, CC1(C)OB(c2ccncc2)OC1(C)C to produce O=c1n(Cc2ccc(C(F)(F)F)nc2)nc2c(-c3ccncc3)c(Cl)ccn12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.