Using C[Si](C)(C)CCOCn1cnc(-c2cc(C(N)=O)c([N+](=O)[O-])s2)n1 to produce C[Si](C)(C)CCOCn1cnc(-c2cc(C(N)=O)c(N)s2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.