Using CCOC(=O)C1CSC(C2CCN(C(=O)OC(C)(C)C)CC2)=N1 to produce CCOC(=O)c1csc(C2CCN(C(=O)OC(C)(C)C)CC2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.