(16E)-11-[2-(1-Pyrrolidinyl)ethoxy]-14,19-dioxa-5,7,27-triazatetracyclo[19.3.1.12,6.18,12]heptacosa-1(25),2(27),3,5,8(26),9,11,16,21,23-decaene [ 937272-79-2 ]