The chemical with the SMILES O=c1sc2ccccc2c(N2CCCCC2)c1[N+](=O)[O-] is not an inhibitor of factor XIa (FXIa).
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-846#not &NULL}{MUV-846__names__noun}.
O=c1sc2ccccc2c(N2CCCCC2)c1[N+](=O)[O-]
O=c1sc2ccccc2c(N2CCCCC2)c1[N+](=O)[O-]
oxido-oxo-(2-oxo-4-piperidin-1-ylthiochromen-3-yl)azanium