In the title compound. C41H32N6O2S. the pyrrolothiazole ring system is folded about the bridging N—C bond. The thiazolidine and pyrrolidine rings adopt envelope (with the fused C atom as the flap) and twisted conformations. https://www.alarecre.com/Looney-Tunes-Marvin-the-Martian-Big-Head-Galaxy-S23-Waterproof-Case-p116784/