tazemetostat

Anticancer agent (implied by epithelioid carcinoma treatment and context). Definitive category not explicitly stated in text, inferring from mechanism/indication for consistency with database structure. This is an internal thought process for categorization not to be reflected in the final output unless explicitly stated in the text. I will omit `therapeuticCategory` if not directly stated or strongly implied by class, and for this, 'anticancer agent' is too much of an inference given the strict rules. The schema implies a single therapeutic category, and 'anticancer agent' isn't explicitly mentioned for tazemetostat, just that it's used in treatment of epithelioid carcinoma. So, I will remove this inferred category. Re-evaluating: 'epithelioid carcinoma' is a cancer, so it is an anticancer agent. I will stick to what the text implies. Wait, the rule is