Remove the spaces from the following sentence: Harmonisation of the Central and Eastern European applicant countries' environment regulations and implementation of regulations that reach the EU level will constitute the chief task in the years ahead.
HarmonisationoftheCentralandEasternEuropeanapplicantcountries'environmentregulationsandimplementationofregulationsthatreachtheEUlevelwillconstitutethechieftaskintheyearsahead.