Using CC(C)(C)OC(=O)N1CCC(O)CC1, CCOc1ccc2nc(S)sc2c1 to produce CCOc1ccc2nc(SC3CCN(C(=O)OC(C)(C)C)CC3)sc2c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.