A composition comprising at least one compound represented by the following formula (Z) is disclose.
A-L-D
1
-(E)
q
-D
2
-(B)
m
—Z
1
—R}
p
(Z)
In the formula, A represents a p-valent, linear or cyclic residue; L represents a single bond or a divalent linking group; p indicates an integer of at least 2; D
1
represents a carbonyl group (—C(═O)—) or a sulfonyl group (—S(═O)
2
—); D
2
represents a carbonyl group (—C(═O)—), a sulfonyl group (—S(═O)
2
—), a carboxyl group (—C(═O)O—), a sulfoxyl group (—S(═O)
2
O—), a carbamoyl group (—C(═O)N(Alk)-), or a sulfamoyl group (—S(═O)
2
N(Alk)-); E represents a divalent group; R represents a hydrogen atom, or a substituted or unsubstituted alkyl group having at most 7 carbon atoms; B represents oxyethylene group or the like; Z
1
represents a single bond, or a divalent group.