Using Nc1ccc(-c2cnccn2)cn1, Cc1cc(-c2cc(CC(=O)O)ccn2)ccn1 to produce Cc1cc(-c2cc(CC(=O)Nc3ccc(-c4cnccn4)cn3)ccn2)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.