Using [N-]=[N+]=NCC(=O)c1cn2c3c(cccc13)CCC2, CC(C)(C)OC(=O)OC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)NCC(=O)c1cn2c3c(cccc13)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.