Using O=C(n1ccnc1)n1ccnc1, COC(=O)c1nn(-c2ccccc2)nc1C(=O)O to produce COC(=O)c1nn(-c2ccccc2)nc1C(=O)N(C)C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.