You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
azane;[(1S,2R,3S,5S,6S,16E,18E,20R,21R)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9-azatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] N-[4-[(3S)-6-(carbamoylamino)-3-[[(2S)-4,9-dioxo-2-propan-2-yldecanoyl]amino]-2-oxohexyl]-2-chlorophenyl]carbamate;[(1S,2R,3S,5S,6S,16E,18E,20R,21R)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9-azatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] N-[4-[(3S)-6-(carbamoylamino)-3-[[(2S)-4,9-dioxo-2-propan-2-yldecanoyl]amino]-2-oxohexyl]-2,5-difluorophenyl]carbamate;[(1S,2R,3S,5S,6S,16E,18E,20R,21R)-11-chloro-21-hydroxy-12,20-dimethoxy-2,5,9,16-tetramethyl-8,23-dioxo-4,24-dioxa-9-azatetracyclo[19.3.1.110,14.03,5]hexacosa-10,12,14(26),16,18-pentaen-6-yl] N-[4-[(3S)-6-(carbamoylamino)-3-[[(2S)-4,9-dioxo-2-propan-2-yldecanoyl]amino]-2-oxohexyl]-3-methoxyphenyl]carbamate is the IUPAC name of a molecule. Please give its molecular formula.
user
C169H236Cl4F2N18O43
assistant