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What is the molecular formula of the molecule zinc;5-(3,5-ditert-butylphenyl)-15-[4-[2-[4-[15-(3,5-ditert-butylphenyl)-2,8,12,18-tetrahexyl-3,7,13,17-tetramethyl-21,23-dihydroporphyrin-5-yl]phenyl]ethynyl]phenyl]-2,8,12,18-tetrahexyl-3,7,13,17-tetramethylporphyrin-22,24-diide ?
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C138H184N8Zn
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