Using COc1cc(-c2cnc3cnccn23)ccc1-c1ccc(N(C)C2CC(C)(C)NC(C)(C)C2)nn1 to produce CN(c1ccc(-c2ccc(-c3cnc4n3CCNC4)cc2O)nn1)C1CC(C)(C)NC(C)(C)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.