Using C[S-], Cc1c(-c2ccnc3cc(Cl)ccc23)c2cc(Cl)ccc2n1CC(=O)O to produce CSCc1c(-c2ccnc3cc(Cl)ccc23)c2cc(Cl)ccc2n1CC(=O)O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.