You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
3-[4,8-bis(2-ethylhexoxy)-6-methylthieno[2,3-f][1]benzothiol-2-yl]-5-(2-ethylhexyl)-1-methylthieno[3,4-c]pyrrole-4,6-dione;[4,8-bis(2-ethylhexoxy)-2-trimethylstannylthieno[2,3-f][1]benzothiol-6-yl]-trimethylstannane;1,3-dibromo-5-(2-ethylhexyl)thieno[3,4-c]pyrrole-4,6-dione is the IUPAC name of a molecule. Please give its molecular formula.
user
C88H130Br2N2O8S6Sn2
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