Using NCc1cccnc1, Cc1ccc(NC(=O)Nc2cn(C)c(C(=O)O)n2)cc1F to produce Cc1ccc(NC(=O)Nc2cn(C)c(C(=O)NCc3cccnc3)n2)cc1F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.