Okay, the user wants me to translate "chemical signals" into Russian. Let me check the rules again. The first rule says to translate all content into Russian. The second rule states that if the content is already in Russian, leave it as is. The third rule is to provide only the translation without any explanations.
So, "chemical signals" in Russian would be "химические сигналы". I need to make sure there's no additional text. The user emphasized that for each message, I should respond with just the translation. Let me confirm the translation. "Химические" is the correct adjective form for "chemical", and "сигналы" is the plural of "signal". Yes, that's accurate. No need for any explanations here. Just output the translation.
химические сигналы
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