how can I convert this script from puppeteer to puppeteer cluster
const URL = process.argv[2];
puppeteer.launch({ headless: true, args: ['--no-sandbox', '--disable-setuid-sandbox'] }).then(async browser => {
const page = await browser.newPage();
await page.setViewport({width: 1, height: 1});
await page.setUserAgent('Mozilla/5.0 (iPhone; CPU iPhone OS 9_0_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13A404 Safari/601.1');
await page.goto(URL);
console.error('found');
await page.waitForSelector('body.blog');
await browser.close();
process.exit();
}).catch(function(error) {
console.error('sucess');
process.exit();
});