Smile:
c1(c(c2c(cc1O)C(=O)COC1(OC(=O)c3c2c(c(c(c3)O)O)O)COC(C(C1OC(=O)c1ccc(c(c1O)O)O)OC(=O)c1cc(c(c(c1)O)O)O)OC(=O)c1c(c(c(c(c1)O)O)O)Oc1c(c(c2c(c1)C(=O)OCC1C(OC(=O)c3c2c(c(c(c3)O)O)O)C(OC(=O)c2cc(c(c(c2)O)O)O)C(C(O1)OC(=O)c1cc(c(c(c1)O)O)O)OC(=O)c1cc(c(c(c1)O)