Using C#CCn1c(-c2cccc(C=O)c2)nc(CC)c(CC)c1=O, NO to produce C#CCn1c(C2=CC=CC(=NO)C2)nc(CC)c(CC)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.