IUPAC: 5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-3',6'-dihydroxy-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one

SMILES: Oc1ccc2c(Oc3cc(O)ccc3C22OC(=O)c3cc(Nc4nc(Cl)nc(Cl)n4)ccc23)c1