Task: Please answer the multiple choice question.
Question: Which molecules are not 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 additional words.
Options:
a. N[C@@H]1COCC[C@H]1Nc1cc2cc[nH]c(=O)c2c(Nc2cccc3cc[nH]c23)n1
b. Cc1ccc(C2(O)CCN([C@H](C)[C@@H](O)c3ccc4c(c3)CCC(=O)N4)CC2)cc1
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}
6-[[(3S,4R)-3-azanyloxan-4-yl]amino]-8-(1H-indol-7-ylamino)-2H-2,7-naphthyridin-1-one