Using CNc1nc(-c2ccc3c(c2)c(-c2cncc(OC(C)C)n2)cn3S(=O)(=O)c2ccc(C)cc2)no1 to produce CNc1nc(-c2ccc3[nH]cc(-c4cncc(OC(C)C)n4)c3c2)no1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.