Text this: Synthesis, characterization, antibacterial activity and cytotoxicity of (1′R,2′S,7a′S)‐2′‐(2,5‐dichlorothiophene‐3‐carbonyl)‐1′‐(aryl)‐1′,2′,5′,6′,7′,7a′‐hexahydrospiro[indoline‐3,3′‐pyrrolizin]‐2‐one derivatives