Using COc1cc(CO)ccc1Cn1cccn1, CCOC(=O)c1cn[nH]c1 to produce CCOC(=O)c1cnn(Cc2ccc(Cn3cccn3)c(OC)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.