Using CCOC(=O)c1c[nH]nc1C, OB(O)c1ccc2[nH]ccc2c1 to produce CCOC(=O)c1cn(-c2ccc3[nH]ccc3c2)nc1C, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.