Using CC(C)(C)OC(=O)NCCNC(=S)NN, CCOC(=O)C(=O)OCC to produce CC(C)(C)OC(=O)NCCn1c(=S)[nH][nH]c(=O)c1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.