Crystal Structure of Kirsten Rat Sarcoma G12C Complexed with GMPPNP and Covalently Bound to an Adduct of {(2S)-4-[7-(8-chloronaphthalen-1-yl)-2-{[(2S)-1-methylpyrrolidin-2-yl]methoxy}-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4-yl]-1-[(2Z)-2-fluoro-3-(pyridin-2-yl)prop-2-enoyl]piperazin-2-yl}acetonitrile; X-ray diffraction 1.59Å