Compound having isocyanuric skeleton and composition in which said compound is included

A compound represented by the following formula (1):

• wherein R1 is a monovalent organic group containing a polyether chain;
• X1 and X2 are each individually a monovalent group;
• and the polyether chain is a chain represented by the following formula:
• —(OC6F12)m11—(OC5F10)m12—(OC4F8)m13—(OC3X106)m14—(OC2F4)m15—(OCF2)m16—
• wherein one of m11 or m12 is an integer of 1 or greater;
• and the other of m11 and m12, m13, m14, m15, and m16 are each individually an integer of 0 or 1 or greater;
• X10s are each individually H, F, or Cl;
• the repeating units are present in any order;
• and the sum of m11 to m16 is an integer of 10 or greater, R1 being other than those containing a urethane bond.