Using C[Si](C)(C)C1=CN(c2ccccc2)N(C(=O)O)N1, On1nnc2ccccc21 to produce C[Si](C)(C)C1=CN(c2ccccc2)N(C(N)=O)N1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.