Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (<10uM)?
Constraint: You must select none, one or more options from a or b without using any additional words.
Options:
[a] O=C(O)CC1CCC2(CCN(c3ccc(-c4nc5cc(C(F)(F)F)ccc5[nH]4)cn3)CC2)OC1
[b] NC(CC(=O)N1CCC[C@H]1C(=O)NCc1ccc(C(=O)O)cc1)Cc1ccc(F)c(F)c1.O=C(O)C(F)(F)F
Answer: a
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__names__noun}?
Constraint: You must select none, one or more options from {%multiple_choice_enum%2-5%aA1} without using any {#other|additional!} words.
Options:
{SMILES%herg_blocker%}
Answer: {%multiple_choice_result}
2-[9-[5-[5-(trifluoromethyl)-1H-benzimidazol-2-yl]pyridin-2-yl]-1-oxa-9-azaspiro[5.5]undecan-3-yl]ethanoicacid