Task: Please answer the multiple choice question.
Question: Which molecules are 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 other words.
Options:
(a) COc1cc(-c2cn(C3C[C@@H](C(F)(F)F)CCN(Cc4ccccc4)C3=O)nn2)ccc1-n1cnc(C)c1
(b) NC1(C(=O)NC(CCN2CCCC2)c2ccc(Cl)cc2)CCCN(c2ncnc3[nH]ccc23)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}
(5S)-3-[4-[3-methoxy-4-(4-methylimidazol-1-yl)phenyl]-1,2,3-triazol-1-yl]-1-(phenylmethyl)-5-(trifluoromethyl)azepan-2-one