Using ONCl, CCN(CC)CCSc1ccc(/C=C/C(=O)OC)cc1NCCCc1ccccc1 to produce CCN(CC)CCSc1ccc(/C=C/C(=O)NO)cc1NCCCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.