Using O=C(CN1C(=O)C2(CCCC2)NCC[C@H]1c1ccccc1)OCc1ccccc1 to produce O=C(O)CN1C(=O)C2(CCCC2)NCC[C@H]1c1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.