Using COc1cc(C)nc(NC(=O)NS(=O)(=O)C2CCCCC2Cl)n1 to produce COc1cc(C)nc(NC(=O)NS(=O)(=O)C2=CCCCC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.