<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: 'Communication with the C & C In order to communicate with its C & C , the app uses the MQTT ( Message Queuing Telemetry Transport ) protocol , which is transported over TCP port 1883 .' [/INST] [Communication:O, with:O, the:O, C:O, &:O, C:O, In:O, order:O, to:O, communicate:O, with:O, its:O, C:O, &:O, C:O, ,:O, the:O, app:O, uses:O, the:O, MQTT:O, (:O, Message:O, Queuing:O, Telemetry:O, Transport:O, ):O, protocol:O, ,:O, which:O, is:O, transported:O, over:O, TCP:B-Indicator, port:I-Indicator, 1883:I-Indicator, .:O] </s>