Using Clc1ncccn1, Fc1ccc(Oc2ccc(-c3cc[nH]n3)cc2)cc1 to produce Fc1ccc(Oc2ccc(-c3ccn(-c4ncccn4)n3)cc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.