Using C=Cc1c(OC)ccc2cc(C(O)(c3cn(C(c4ccccc4)(c4ccccc4)c4ccccc4)cn3)C(C)C)ccc12 to produce CCc1c(OC)ccc2cc(C(O)(c3c[nH]cn3)C(C)C)ccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.