Name the molecular formula for the molecule established as (1S,5R,13R,18S)-4-(cyclopropylmethyl)-10-methoxy-12-oxa-4,15-diazapentacyclo[9.7.1.01,13.05,18.07,19]nonadeca-7(19),8,10-trien-18-ol using the IUPAC nomenclature.