Using Cc1c(OS(=O)(=O)C(F)(F)F)c([N+](=O)[O-])c2n(c1=O)CCS2, C[Si](C)(C)c1ccc(N)c(F)c1 to produce Cc1c(Nc2ccc([Si](C)(C)C)cc2F)c([N+](=O)[O-])c2n(c1=O)CCS2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.