An oxygen-containing fused ring derivative represented by the following formula (1) wherein Ar
1
is an m-valent fused ring group in which four or more rings including one or more rings selected from a furan ring and a pyran ring are fused and HAr is any of the nitrogen-containing heterocyclic group represented by the following formulas (2) to (5):
                            以下是公式(1)所代表的含氧融合环衍
生物,其中Ar1是m价融合环基团,其中包括四个或更多个环,其中至少一个环被选择自
呋喃环和
吡喃环,并且HAr是以下公式(2)至(5)所代表的含氮杂环基团之一: