Using Cc1cc(-c2nn(C(c3ccccc3)(c3ccccc3)c3ccccc3)c3ccc(C(=O)O)cc23)ccn1 to produce Cc1cc(-c2n[nH]c3ccc(C(=O)O)cc23)ccn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.