3,3-difluorocyclobutyl {(2R,4S,6S,12Z,13aS,14aR,16aS)-2-[(7-methoxy-3-methylquinoxalin-2-yl)oxy]-14a-[(1-methylcyclopropane-1-sulfonyl)carbamoyl]-5,16-dioxo-1,2,3,5,6,7,8,9,10,11,13a,14,14a,15,16,16a-hexadecahydrocyclopropa[e]pyrrolo[1,2-a][1,4]diazacyclopentadecin-6-yl}carbamate