Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a or b without using any other words.
Options:
a Cn1c(SCCCN2CC[C@]3(C[C@@H]3c3ccc(C(F)(F)F)cc3F)C2)nnc1-c1cccnc1
b C[C@@H](O)c1nc2cnc3[nH]ccc3c2n1[C@H]1CCCOC1
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}
(2S,3S)-2-[2-fluoro-4-(trifluoromethyl)phenyl]-5-[3-[(4-methyl-5-pyridin-3-yl-1,2,4-triazol-3-yl)sulfanyl]propyl]-5-azaspiro[2.4]heptane