Using COc1ccc(CN2OCC3CC(O)CC32c2ccc(F)c(Br)c2)c(OC)c1 to produce OC1CC2CONC2(c2ccc(F)c(Br)c2)C1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.