Using O=C1NN=C2CCCc3[nH]c4cccc1c4c32, COC(=O)c1cccc2[nH]c3c(c12)C(=O)CN(C(=O)C1CC1)C3 to produce O=C1NN=C2CN(C(=O)C3CC3)Cc3[nH]c4cccc1c4c32, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.