Using Nc1cccc(NC(=S)Nc2ccc(Cl)cc2Cl)c1NCCCCCO to produce Nc1cccc2nc(Nc3ccc(Cl)cc3Cl)n(CCCCCO)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.