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system
Name the molecular formula for the molecule established as (3R)-N-[(3R,6R,9R,15R,18S,19R)-6-(2-amino-2-oxoethyl)-9-[(1R)-1-hydroxyethyl]-12-[(4-hydroxyphenyl)methyl]-3,19-dimethyl-2,5,8,11,14,17-hexaoxo-15-propan-2-yl-1-oxa-4,7,10,13,16-pentazacyclononadec-18-yl]-15-(diaminomethylideneamino)-3-hydroxypentadecanamide using the IUPAC nomenclature.
user
C45H74N10O12
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