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, b, c, or d without using any other words.
Options:
a: O=C(C=Cc1ccc2c(c1)CN(C(=O)C1CCCCC1)C2)NO
b: NS(=O)(=O)c1cccc(CN(c2cccc3[nH]ccc23)C2CCNCC2)c1
c: O=C(CN1CCC(S(=O)(=O)c2ccccc2)CC1)c1ccc(F)cc1F
d: Cc1nc2ccccc2n1C1C[C@H]2CC[C@H](C1)N2CCC1(c2cccc(F)c2)CCN(C(=O)c2cc(NS(C)(=O)=O)c(F)cc2Cl)CC1
Answer: c
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-[4-(benzenesulfonyl)piperidin-1-yl]-1-(2,4-difluorophenyl)ethanone