You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
S-[6-[[5-[5-[acetyl(ethyl)amino]-4-methoxyoxan-2-yl]oxy-4-hydroxy-6-[(Z,1S)-7-hydroxy-1-[(6Z)-6-[2-[2-[3-[hydroxy(dimethyl)silyl]propylamino]-2-oxoethyl]sulfanylethylidene]-2-(methoxycarbonylamino)-3-oxocyclohexen-1-yl]hept-4-en-2,6-diynoxy]-2-methyloxan-3-yl]amino]oxy-4-hydroxy-2-methyloxan-3-yl] 4-(3,5-dihydroxy-4-methoxy-6-methyloxan-2-yl)oxy-5-iodo-2,3-dimethoxy-6-methylbenzenecarbothioate;S-[6-[[5-[5-[acetyl(ethyl)amino]-4-methoxyoxan-2-yl]oxy-4-hydroxy-6-[(Z,1S)-7-hydroxy-1-[(6Z)-6-[2-[1-[3-[hydroxy(dimethyl)silyl]propyl]-2,5-dioxopyrrolidin-3-yl]sulfanylethylidene]-2-(methoxycarbonylamino)-3-oxocyclohexen-1-yl]hept-4-en-2,6-diynoxy]-2-methyloxan-3-yl]amino]oxy-4-hydroxy-2-methyloxan-3-yl] 4-(3,5-dihydroxy-4-methoxy-6-methyloxan-2-yl)oxy-5-iodo-2,3-dimethoxy-6-methylbenzenecarbothioate is the IUPAC name of a molecule. Please give its molecular formula.
user
C128H182I2N8O49S4Si2
assistant