Using CC(C)(C)[Si](C)(C)c1c(F)cnc(F)c1Cl, CON(C)C(=O)c1cccnc1F to produce CC(C)(C)[Si](C)(C)c1c(F)c(C(=O)c2cccnc2F)nc(F)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.