Using C[Si](C)(C)CCOCn1ccc2c(Nc3ccc([N+](=O)[O-])cc3F)ccnc21 to produce C[Si](C)(C)CCOCn1ccc2c(Nc3ccc(N)cc3F)ccnc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.