Error Validating Raw Object Against Schema in TypeScript

import { Effect, pipe } from "effect"
import { Schema as S } from "@effect/schema"

class MyS extends S.Class<MyS>("MyS")({
  prop1: S.String
}) {}

await pipe(
  Effect.try(() => ({ prop1: "hey" })),
  Effect.andThen(raw =>
    S.validate(MyS)(raw)
  ),
  Effect.runPromise
)