Using ClCc1ccc(Cl)c(Cl)c1, CN(C)C1(C(N)=O)CCCCC1 to produce Cc1ccc(Cl)c(Cl)c1NC(=O)C1(N(C)C)CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.