Using CC(C)(C)[Si](C)(C)Oc1c(C2CCCCC2)ccc(-c2cnc(N)cn2)c1F to produce Nc1cnc(-c2ccc(C3CCCCC3)c(O)c2F)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.