Using Cc1cc(Nc2nc(Nc3cc(C)c(C4CCNC(C)C4)cc3F)ncc2Cl)n[nH]1 to produce Cc1cc(Nc2nc(Nc3cc(C)c([C@@H]4CCN[C@@H](C)C4)cc3F)ncc2Cl)n[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.