Using O=C(NCc1nc2ccccc2c(=O)n1-c1ccc(F)cc1)OCc1ccccc1 to produce NCc1nc2ccccc2c(=O)n1-c1ccc(F)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.