Using CCCC[n+]1nc(C)sc1C, O=C(O)c1cccc2ccccc12 to produce CCCCN1N=C(C)S/C1=C\C(=O)c1cccc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.