Who directed the episode with a production code greater than 4301103.585233785 that was written by Curtis Kheel?
CREATE TABLE "table1_21312845_1" (
  "no_in_series" real,
  "no_in_season" real,
  "title" text,
  "directed_by" text,
  "written_by" text,
  "original_air_date" text,
  "production_code" real,
  "u_s_viewers_millions" text
);
SELECT "directed_by" FROM "table1_21312845_1" WHERE "production_code">4301103.585233785 AND "written_by"='Curtis Kheel';