Using C=CC(N)=O, c1ccc2[nH]c(Cn3nnc4ccccc43)nc2c1 to produce NC(=O)CCn1c(Cn2nnc3ccccc32)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.