The chemical with the SMILES COc1ccc(-n2cc(C(=O)c3cc4ccccc4oc3=O)c(C(C)=O)n2)cc1 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}.
COc1ccc(-n2cc(C(=O)c3cc4ccccc4oc3=O)c(C(C)=O)n2)cc1
COc1ccc(-n2cc(C(=O)c3cc4ccccc4oc3=O)c(C(C)=O)n2)cc1
3-[3-acetyl-1-(4-methoxyphenyl)pyrazole-4-carbonyl]chromen-2-one