The nurse is administering sucralfate to a client with stomatitis secondary to chemotherapy. The client wants to take the medication after breakfast. How should the nurse respond?

Document the client's refusal of the medication at this time.

Allow the client to take the medication up to 1 hour after breakfast.

Instruct the client to take it when the meal tray is delivered.

Explain the need to take the medication at least 1 hour before meals.