N-[23-(1H-indol-3-ylmethyl)-14-{14-amino-5-[2-(2-aminophenyl)-2-oxoethyl]-8-(1-carboxyprop-2-yl)-11-(hydroxymethyl)-4,7,10,13-tetraoxo-3-oxa-6,9,12-triazatetradec-2-yl}-8-(3-aminopropyl)-20-(carbamoylmethyl)-5,17-bis(carboxymethyl)-2-methyl-1,4,7,10,13,16,19,22,25-nonaoxo-3,6,9,12,15,18,21,24-octazatetratriacont-1-yl]-DL-aspartic acid