You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 4-chloro-N-[(E)-[(2R,3S,4R,5S,7R,9R,10R,11S,12S,13R)-10-[4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4-dihydroxy-12-[(4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-9-methoxy-3,5,7,9,11,13-hexamethyl-14-oxo-oxacyclotetradec-6-ylidene]amino]benzamide into molecular formula.
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C45H74ClN3O13
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