Text this: Testing the molecular nature of the $$\Omega (2012)$$ Ω ( 2012 ) with the $$\psi (3770) \rightarrow \bar{\Omega } \bar{K} \Xi $$ ψ ( 3770 ) → Ω ¯ K ¯ Ξ and $$\psi (3770) \rightarrow \bar{\Omega } \bar{K} \Xi ^*(1530) (\bar{\Omega } \bar{K} \pi \Xi )$$ ψ ( 3770 ) → Ω ¯ K ¯ Ξ ∗ ( 1530 ) ( Ω ¯ K ¯ π Ξ ) reactions