A portfolio manager of a merger arbitrage fund is reviewing a pending acquisition, in which Company STZ has offered to pay 1/3 of a share of its stock for every share of Company ACQ. The stock of company STZ is currently trading at CNY 30 per share and the stock of company ACQ is currently trading at CNY 9 per share. The manager believes with a high level of certainty that the acquisition will be completed. Which of the following trades would be most appropriate for the manager to establish to reflect this view?