Who among the following envoys was sent by Seleucus I to the court of Chandragupta Maurya?

Megasthenes was a Greek historian, diplomat, and explorer sent as an ambassador by Seleucus I Nicator of the Seleucid Empire to the court of King Chandragupta Maurya in Pataliputra. He wrote the famous book 'Indica', which provides valuable insights into the administration, society, and economy of the Mauryan Empire.