Using CC(C)(C)OC(=O)N1CC[C@@H]2[C@H](C1)c1cc(-c3ccccc3Cl)cc3c1N2CC3 to produce Clc1ccccc1-c1cc2c3c(c1)[C@H]1CNCC[C@H]1N3CC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.