Using [OH-], Clc1c2nc(-c3ccccc3)nc-2ccn1Cc1ccc(Br)cc1 to produce Oc1c2nc(-c3ccccc3)nc-2ccn1Cc1ccc(Br)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.