You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 2-[[4-[(2-amino-4-oxo-3H-pteridin-6-yl)methylamino]benzoyl]amino]-5-[[3-[[2-[bis(carboxymethyl)amino]acetyl]amino]-1-[[1-carboxy-2-[[3-[[2-[[2-(1-ethyl-5-hydroxy-1,2-dihydrobenzo[e]indole-3-carbonyl)-1H-indol-5-yl]carbamoyl]-1H-indol-5-yl]amino]-3-oxopropyl]disulfanyl]ethyl]amino]-1-oxopropan-2-yl]amino]-5-oxopentanoic acid .
user
C66H66N16O17S2
assistant