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] Cc1nc2ccccc2n1C1C[C@H]2CC[C@H](C1)N2CCC1(c2ccccc2)CCN(C(=O)C(C)(C)CO)CC1
[b] CC(C)Oc1cc(Nc2nc3c(cc2F)ncn3[C@@H](CO)c2ccc(F)cn2)[nH]n1
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}
2,2-dimethyl-1-[4-[2-[(1R,5R)-3-(2-methylbenzimidazol-1-yl)-8-azabicyclo[3.2.1]octan-8-yl]ethyl]-4-phenyl-piperidin-1-yl]-3-oxidanyl-propan-1-one