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Can you give the molecular formula of the molecule (2S,3S,3aR,9bR)-1-ethyl-N-[(4-fluorophenyl)methyl]-3-(hydroxymethyl)-7-(2-methoxyphenyl)-6-oxo-3,3a,4,9b-tetrahydro-2H-pyrrolo[2,3-a]indolizine-2-carboxamide ?
user
C28H30FN3O4
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