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system
Name the molecular formula for the molecule established as 2-[1-[(4-chlorophenyl)methyl]imidazol-2-yl]-N-[4-[2-[[(2R)-2-hydroxy-2-phenylethyl]amino]ethyl]phenyl]acetamide;dihydrochloride using the IUPAC nomenclature.
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C28H31Cl3N4O2
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