Using CC(C)(C)OC(=O)N1CC[C@@H]2[C@H](C1)c1cccc3c1N2CCS3=O to produce O=S1CCN2c3c(cccc31)[C@H]1CNCC[C@H]12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.