Using Cc1cc(C(F)(F)F)nn1CC(=O)O, CCOC(=O)c1csc(C2CCNCC2)n1 to produce CCOC(=O)c1csc(C2CCN(C(=O)Cn3nc(C(F)(F)F)cc3C)CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.