multifocal leukoencephalopathy
prompt:side effects [SEP] smiles:CN1C2=C(C=C(C=C2)Cl)C(=NC(C1=O)O)C3=CC=CC=C3.CC(C)CN(CC(C(CC1=CC=CC=C1)NC(=O)OC2COC3C2CCO3)O)S(=O)(=O)C4=CC=C(C=C4)N
wspaced:multifocal leukoencephalopathy