Using ClCc1ccccn1, Fc1cccc2ncnc(Nc3ccc4[nH]ncc4c3)c12 to produce Fc1cccc2ncnc(Nc3ccc4c(cnn4Cc4ccccn4)c3)c12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.