To solve this problem, we need to identify which of the given options is an analgesic.$\newline$An analgesic is a type of medication used to relieve pain.$\newline$Let's analyze each option:$\newline$• Option 1: Novalgin$\newline$ - Novalgin is a common name for metamizole, which is a non-opioid analgesic.$\newline$ - It is used to relieve pain and reduce fever.$\newline$• Option 2: Penicillin$\newline$ - Penicillin is an antibiotic used to treat bacterial infections.$\newline$ - It is not used for pain relief.$\newline$• Option 3: Streptomycin$\newline$ - Streptomycin is an antibiotic used to treat bacterial infections, particularly tuberculosis.$\newline$ - It is not an analgesic.$\newline$• Option 4: Chloromycetin$\newline$ - Chloromycetin is a brand name for chloramphenicol, an antibiotic.$\newline$ - It is not used as an analgesic.$\newline$Based on the analysis, Novalgin (Option 1) is the only analgesic among the given options.$\newline$Therefore, the correct option is Option 1.