Using CN(C(=O)C1CSC(c2cccnc2)N1C(=O)OC(C)(C)C)c1cccc(C(=O)c2ccccc2)c1 to produce CN(C(=O)C1CSC(c2cccnc2)N1)c1cccc(C(=O)c2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.