Simplify the following text for a Grade 10 native English-speaking person.
Original: When a furious President Ã `` DÃ laigh resigned , a deeply reluctant Hillery agreed to become the Fianna FÃ il candidate for the presidency .
Simplified: When President Cearbhall Ã `` DÃ laigh resigned , Hillery agreed to become the Fianna FÃ il candidate in the election .