<s>[INST] You are a cybersecurity and NLP expert tasked with named entity extraction. You need to provide the named entities for each token in the given sentence. You will be penalized for incorrect predictions. Identify the entities for the following sentence: 'Backdoored Conversations C2 server analysis During the analysis of the Smali injected apps and their C2 server infrastructure we hadn ’ t found any interesting clues , but things changed when we looked at the C2 server of the linked Conversations messenger .' [/INST] [Backdoored:O, Conversations:O, C2:O, server:O, analysis:O, During:O, the:O, analysis:O, of:O, the:O, Smali:O, injected:O, apps:O, and:O, their:O, C2:O, server:O, infrastructure:O, we:O, hadn:O, ’:O, t:O, found:O, any:O, interesting:O, clues:O, ,:O, but:O, things:O, changed:O, when:O, we:O, looked:O, at:O, the:O, C2:O, server:O, of:O, the:O, linked:O, Conversations:O, messenger:O, .:O] </s>