multifocal leukoencephalopathy
prompt:side effects [SEP] smiles:CCCC(=O)NC1=CC(=C(C=C1)OCC(CNC(C)C)O)C(=O)C.CC(C)(C)C(=O)OCOP(=O)(COCCN1C=NC2=C(N=CN=C21)N)OCOC(=O)C(C)(C)C
wspaced:multifocal leukoencephalopathy