Using NCCN, N#C/C=C/c1ccc(NC(=O)c2ccc(-c3ccccc3)cc2)cc1 to produce O=C(Nc1ccc(/C=C/C2=NCCN2)cc1)c1ccc(-c2ccccc2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.