Using C=CC(=O)Cl, CCc1cc(Cl)c(Cl)cc1NCC(=O)N1CCNCC1 to produce C=CC(=O)N1CCN(C(=O)CNc2cc(Cl)c(Cl)cc2CC)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.