Using N#CCCl, Cc1cc(O)cc(N2C(=O)c3ccccc3C2=O)c1 to produce Cc1cc(OCC#N)cc(N2C(=O)c3ccccc3C2=O)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.