Using Clc1cccc(Nc2nccc(-c3cn(C(c4ccccc4)(c4ccccc4)c4ccccc4)cn3)n2)c1 to produce Clc1cccc(Nc2nccc(-c3cnc[nH]3)n2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.