Using CCOc1cc(CC)c(C(O)c2cn(C(c3ccccc3)(c3ccccc3)c3ccccc3)cn2)c(CC)c1 to produce CCOc1cc(CC)c(Cc2c[nH]cn2)c(CC)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.