Using C[N+](C)(CCNC(=O)c1nc(Cl)c(N)nc1N)CCN1C(=O)c2ccccc2C1=O to produce C[N+](C)(CCN)CCNC(=O)c1nc(Cl)c(N)nc1N, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.