Using C[Si](C)(C)CCOCn1ccc2c(=O)[nH]c(Cl)nc21, OB(O)c1ccc(C(F)(F)F)cc1 to produce C[Si](C)(C)CCOCn1ccc2c(=O)[nH]c(-c3ccc(C(F)(F)F)cc3)nc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.