Using C=COC(=O)N1CC2C(=O)C=CC(c3ccccc3)(c3ccccc3)C2C1 to produce O=C1C=CC(c2ccccc2)(c2ccccc2)C2CNCC12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.