Using N=C(Nc1ccc2ccn(CCCN3CCOCC3)c2c1)c1cccs1 to produce N=C(Nc1ccc2ccn(CCCN3CCCC3)c2c1)c1cccs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.