Using CC(C)Cc1cnc2[nH]cc(-c3csc(C(=O)O)n3)c2c1, C1CCNCC1 to produce CC(C)Cc1cnc2[nH]cc(-c3csc(C(=O)N4CCCCC4)n3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.