Using COC(=O)COc1ccc(CNC(=O)c2cccnc2Oc2ccc3c(c2)OCO3)c(F)c1 to produce O=C(O)COc1ccc(CNC(=O)c2cccnc2Oc2ccc3c(c2)OCO3)c(F)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.