Using Cc1cnc(-c2cc(N3CCN(C(=O)CCS(C)(=O)=O)CC3)ncc2Cl)c(C)c1 to produce Cc1cnc(-c2ccnc(N3CCN(C(=O)CCS(C)(=O)=O)CC3)c2)c(C)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.