5-[2-({5-amino-1-[(1-{[1-({4-carbamimidamido-1-[(1-carbamoyl-3-methylbutyl)carbamoyl]butyl}carbamoyl)-2-hydroxypropyl]carbamoyl}ethyl)carbamoyl]pentyl}carbamoyl)pyrrolidin-1-yl]-4-[2-(2-{2-[2-(2-{6-amino-2-[6-amino-2-(2-acetamido-3-sulfanylpropanamido)hexanamido]hexanamido}acetamido)-3-hydroxypropanamido]propanamido}-4-methylpentanamido)-4-carboxybutanamido]-5-oxopentanoic acid