Using Cn1cc(Nc2ncc3cnn(Cc4cccc(C5=CCOCC5)c4)c3n2)cn1 to produce Cn1cc(Nc2ncc3cnn(Cc4cccc(C5CCOCC5)c4)c3n2)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.