Using CC(C)(C)OC(=O)N1CCC[C@H]1C(=O)N1CCc2ccccc2C1C1CCCCC1 to produce O=C([C@@H]1CCCN1)N1CCc2ccccc2C1C1CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.