Using CCCCCCCCC(SCCCCCC)C(=O)Nc1c(NC(C)=O)ccc2ncccc12 to produce CCCCCCCCC(SCCCCCC)C(=O)Nc1c(N)ccc2ncccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.