Using O=c1cc2n(c(=O)n1CCCCCl)CCCS2(=O)=O, Sc1cccc2nccn12 to produce O=c1cc2n(c(=O)n1CCCCSc1cccc3nccn13)CCCS2(=O)=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.