You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
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Convert the IUPAC name of a molecule (2S)-N-[(Z)-[4-[bis(2-chloroethyl)amino]phenyl]methylideneamino]-2-[(2S)-1-[(2Z)-2-[[4-[bis(2-chloroethyl)amino]phenyl]methylidene]hydrazinyl]-1-oxopropan-2-yl]sulfanylpropanamide into molecular formula.
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C28H36Cl4N6O2S
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