Using COc1ccc(-c2nc(COc3ccc(F)c(C(N)=O)c3F)oc2Br)cc1 to produce COc1ccc(-c2coc(COc3ccc(F)c(C(N)=O)c3F)n2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.