Task: Please create a molecule that is not an inhibitor of factor XIa (FXIa) and report its SMILES.
Result: O=C(CN1C(=O)NC2(CCCCCC2)C1=O)NCc1cccs1
Task: Please {#create|generate!} a {#molecule|compound!} that is {MUV-846#not &NULL}{MUV-846__names__noun} and report its {SMILES__description}.
Result: {SMILES#}
2-(2,4-dioxo-1,3-diazaspiro[4.6]undecan-3-yl)-N-(thiophen-2-ylmethyl)acetamide