Outrageously Funny Word Dictionary :: 1687. 3 (2 {2 [(2r) 2 methylpyrrolidin 1 yl]ethyl} 1 benzofuran 5 yl)quinoline; 675624 32 5

👉 The word "1687" is a peculiar blend of three elements - 3 (two methyl pyrrolidinyl ethers) and 675624 32 5' which might be in the wrong order. A quirky pun comes to mind:

"The brain of a mathematician, or perhaps a "1687" where every letter is different." (Note this sentence uses humor as a tool for explaining complex ideas, not strictly scientific.)