Using COC(=O)CCc1nc(-c2ccc(C3CCNCC3)cc2)cs1, CCSC(=N)N to produce COC(=O)CCc1nc(-c2ccc(C3CCN(C(=N)N)CC3)cc2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.