Using CN(C)c1cccc(Sc2cnc3c(c2)c(-c2cnn(C)c2)cn3OCC[Si](C)(C)C)c1 to produce CN(C)c1cccc(Sc2cnc3[nH]cc(-c4cnn(C)c4)c3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.