Hi all,how does one specify column labels in a definition file for phenix.autobuild?

input_files {
    map_file_is_density_modified = True
    input_map_labels = “F PHIDM FOMDM”
    input_refinement_labels = “F SIGF FreeR_flag”
  }

gives this error:
Sorry: Sorry, the label 'F SIGF FreeR_flag' does not exist (or all data is zero)
…
...available labels are: ['FreeR_flag', 'F', 'SIGF', 'FC', 'PHIC', 'FC_ALL', 'PHIC_ALL', 'FWT', 'PHWT', 'DELFWT', 'PHDELWT', 'FOM', 'FC_ALL_LS', 'PHIC_ALL_LS', 'PHIDM', 'FOMDM', 'FDM', 'None']
Many thanks in advance.
Wolfram Tempel