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What is the molecular formula of the molecule 2-[5,8-bis(carboxymethyl)-9-[[4-[2-[2-[2-[2-[2-[2-[2-[2-[[5-oxo-5-[[4-(1,2,4,5-tetrazin-3-yl)phenyl]methylamino]pentanoyl]amino]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethoxy]ethylcarbamothioylamino]phenyl]methyl]-1,4,7-triazonan-2-yl]acetic acid ?
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C50H75N11O15S
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