Using CC(C)N1CCN(c2nc3cc(C(=O)O)ccc3s2)CC1, C1CCNC1 to produce CC(C)N1CCN(c2nc3cc(C(=O)N4CCCC4)ccc3s2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.