Using Cc1cc(C)[nH]n1, Fc1cc(F)c(-c2c(Cl)nc3nccn3c2Cl)c(F)c1 to produce Cc1cc(C)n(-c2c(-c3c(F)cc(F)cc3F)c(Cl)nc3nccn23)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.