Using CC(C)(C)OC(=O)N1C[C@H](NC(=O)c2nn(C3CCC3)c3ccccc23)CC[C@@H]1CC1(O)CCOCC1 to produce O=C(N[C@H]1CC[C@@H](CC2(O)CCOCC2)NC1)c1nn(C2CCC2)c2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.