Using O=C(OCCCCl)N1CCc2nc(NC3Cc4ccccc4C3)ncc2C1, [C-]#N to produce N#CCCCOC(=O)N1CCc2nc(NC3Cc4ccccc4C3)ncc2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.