Using ClCCCCSc1ccncc1, CC1(C)NC(=O)N(CCCCSc2ccncc2)C1=O to produce CC1(C)C(=O)N(CCCCSc2ccncc2)C(=O)N1CCCCSc1ccncc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.