Complex sentence: Adjani first gained fame as a classical actress at the Comédie française, which she joined in 1972, for her interpretation of Agnès, the main female role in Molière's L'École des femmes.
Split into simpler sentences: Adjani first gained fame as a classical actress at the Comédie française, which she joined in 1972. She was praised for her interpretation of Agnès, the main female role in Molière's L'École des femmes.