Using a combination of the fake elements X (13 g/mol), and Q…

Using a combination of the fake elements X (13 g/mol), and Q (8.0 g/mol),  plus some real elements, the following reaction occurs:  2XH3 + 3 NQ2  à   X2N3Q6H6.  Starting with 37 g of XH3 and excess NQ2, 92 g of X2N3Q6H6 was collected.  What is the percent yield for the reaction?