Using Cc1ccccc1C(=O)Nc1ccc(C(=O)N2CCCC(=O)c3cc(Cl)ccc32)s1, CN to produce CNC1CCCN(C(=O)c2ccc(NC(=O)c3ccccc3C)s2)c2ccc(Cl)cc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.