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system
Name the molecular formula for the molecule established as (9R,10R)-12-(cyclopropylmethyl)-6-methoxy-N,9-dimethyl-12-azatetracyclo[7.3.1.01,11.03,8]trideca-3(8),4,6-trien-10-amine using the IUPAC nomenclature.
user
C19H26N2O
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