Using CCOC(=O)C1CCN(C2C=C(C)C(=O)CC(C)(C)C2O)CC1 to produce CC1=CC(N2CCC(C(=O)O)CC2)C(O)C(C)(C)CC1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.