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.) CC[C@H](C)[C@H](C(=O)O)N1C[C@H](CN2CCC(c3cc(Cc4ccccc4)nn3CC)CC2)[C@@H](c2cccc(F)c2)C1
b.) CN1C2CCC1CC(Nc1nc(-c3ccccc3Cl)c3c(n1)N(c1c(Cl)cccc1Cl)C(=O)NC3)C2
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}
(2R,3S)-2-[(3S,4S)-3-[[4-(5-benzyl-2-ethylpyrazol-3-yl)piperidin-1-yl]methyl]-4-(3-fluorophenyl)pyrrolidin-1-yl]-3-methylpentanoic acid