Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (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(CNC(=O)c1cccc(C(F)(F)F)c1)NC1CCN(C2CCC(O)(c3cccnc3)CC2)C1
(b) FC(F)(F)Oc1cccc(-c2c[nH]c([C@H]3Cc4c([nH]c5ccccc45)[C@@H](C4CCOCC4)N3)n2)c1
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}
N-[2-oxidanylidene-2-[[1-(4-oxidanyl-4-pyridin-3-yl-cyclohexyl)pyrrolidin-3-yl]amino]ethyl]-3-(trifluoromethyl)benzamide