Provided is a compound represented by the following general formula (I) or (II) or a pharmaceutically acceptable salt thereof, wherein A is a C6-C10 aryl group or a heteroaryl group, wherein at least one hydrogen atom of the aryl group or the heteroaryl group is optionally replaced with a substituent selected from a predetermined group, R is a hydrogen atom or a C1-C6 alkyl group, R1 is a hydrogen atom or a halogen atom, and Y is a hydrogen atom, a fluorine atom or a hydroxy group.