Using C[N+](C)(CCCN)CCNC(=O)c1nc(Cl)c(N)nc1N, O=C(O)Cc1ccc(Cl)cc1 to produce C[N+](C)(CCCNC(=O)Cc1ccc(Cl)cc1)CCNC(=O)c1nc(Cl)c(N)nc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.