You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule octasodium;7-[[4-[[4-chloro-6-[4-[4-[[4-chloro-6-[3-[(C-oxidocarbonimidoyl)amino]-4-[(3-sulfo-6,8-disulfonatonaphthalen-2-yl)diazenyl]anilino]-1,3,5-triazin-2-yl]amino]-2-sulfonatophenyl]-3-sulfonatoanilino]-1,3,5-triazin-2-yl]amino]-2-[(C-oxidocarbonimidoyl)amino]phenyl]diazenyl]-6-sulfonaphthalene-1,3-disulfonate .
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C52H30Cl2N18Na8O26S8
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