Using CN1CCNCC1, CC(C)(C)OC(=O)N1CCc2sc(COS(C)(=O)=O)cc2C1 to produce CN1CCN(Cc2cc3c(s2)CCN(C(=O)OC(C)(C)C)C3)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.