Using CCOC(OCC)OCC, CCOC(=O)c1ccc(N)c(NCc2ccccc2)c1 to produce CCOC(=O)c1ccc2ncn(Cc3ccccc3)c2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.