Using CC(C)(C)OC(=O)N1CCN2C[C@H](Cn3c(=O)oc4ccccc43)CC[C@H]2C1 to produce O=c1oc2ccccc2n1C[C@@H]1CC[C@H]2CNCCN2C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.