Using O=C(Cl)c1ccccc1F, Cc1cn(N2C(=O)c3ccccc3C2=O)c2ccccc12 to produce Cc1c(C(=O)c2ccccc2F)n(N2C(=O)c3ccccc3C2=O)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.