The standard entropy change for the reaction

$4\mathrm{Fe}\left(\mathrm{s}\right)+3{\mathrm{O}}_2\left(\mathrm{g}\right)\to 2{\mathrm{Fe}}_2{\mathrm{O}}_3\left(\mathrm{s}\right)\text{ is }-550{\mathrm{JK}}^{-1}\text{ at }298\mathrm{K}.$

[Given : The standard enthalpy change for the reaction is –165 kJ mol^–1]. The temperature in K
at which the reaction attains equilibrium is _________. (Nearest Integer)