multifocal leukoencephalopathy
prompt:side effects [SEP] smiles:CNCCC(C1=CC=CS1)OC2=CC=CC3=CC=CC=C32.CC1C2C(C(=O)N2C(=C1SC3CC(NC3)C(=O)NC4=CC=CC(=C4)C(=O)O)C(=O)O)C(C)O
wspaced:multifocal leukoencephalopathy