import re
x1 = ['esk','wild man','eskimo', 'sta','(+)-6-[amina(4-chlora)(1-metha-1h-imidol-5-yl)mhyl]-4-(3-chlora)-1-methyl-2(1h)-quinoa']
s = "eskimo lives as a wild man in wild jungle and he stands as a guard"
pattern = fr"(?<!\S)(?:{'|'.join(re.escape(x) for x in x1)})(?!\S)"
print(re.findall(pattern, s))
aW1wb3J0IHJlCgp4MSA9IFsnZXNrJywnd2lsZCBtYW4nLCdlc2tpbW8nLCAnc3RhJywnKCspLTYtW2FtaW5hKDQtY2hsb3JhKSgxLW1ldGhhLTFoLWltaWRvbC01LXlsKW1oeWxdLTQtKDMtY2hsb3JhKS0xLW1ldGh5bC0yKDFoKS1xdWlub2EnXQpzID0gImVza2ltbyBsaXZlcyBhcyBhIHdpbGQgbWFuIGluIHdpbGQganVuZ2xlIGFuZCBoZSBzdGFuZHMgYXMgYSBndWFyZCIKcGF0dGVybiA9IGZyIig/PCFcUykoPzp7J3wnLmpvaW4ocmUuZXNjYXBlKHgpIGZvciB4IGluIHgxKX0pKD8hXFMpIgoKcHJpbnQocmUuZmluZGFsbChwYXR0ZXJuLCBzKSk=