Velpatasvir intermediate

Chemical Name: tert-butyl(2S,4S)-2-(5-(2-((2S,5S)-1-((methoxycarbonyl)-L-valyl)-5-methylpyrrolidin-2-yl)-1,11-dihydroisochromeno[4',3':6,7]naphtho[1,2-d]imidazol-9-yl)-1H-imidazol-2-yl)-4-(methoxymethyl)pyrrolidine-1-carboxylate

Smile: O=C(N1[C@H](C2=NC=C(C3=CC4=C(C5=CC6=CC=C7C(NC([C@H]8N(C([C@H](C(C)C)NC(OC)=O)=O)[C@@H](C)CC8)=N7)=C6C=C5OC4)C=C3)N2)C[C@H](COC)C1)OC(C)(C)C