You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Under IUPAC nomenclature, a molecule named 13-[1-[2-[[dimethyl(trimethylsilyloxy)silyl]oxy-methyl-trimethylsilyloxysilyl]oxyethoxy]propan-2-yloxy]-13-oxotridecanoic acid is given. What is its corresponding molecular formula?
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C27H60O9Si4
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