Using COC(=O)[C@H]1CN(C(=O)OC(C)(C)C)CC[C@H]1CCC(=O)c1c(F)cnc2ccc(OC)cc12 to produce COC(=O)[C@H]1CNCC[C@H]1CCC(=O)c1c(F)cnc2ccc(OC)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.