Using CC(C)(C)[Si](C)(C)c1c(F)cnc(F)c1F, CON(C)C(=O)c1cccnc1F to produce CC(C)(C)[Si](C)(C)c1c(F)c(F)nc(C(=O)c2cccnc2F)c1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.