Using N=C(Nc1ccc2ccn(CCCN3CCOCC3)c2c1)c1cccs1 to produce CCN(CC)CCCn1ccc2ccc(NC(=N)c3cccs3)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.