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, b, c, or d without using any other words.
Options:
a: CCC(=O)N(c1ccccc1)C1CC[NH+](CCc2ccccc2)CC1
b: CC(=O)c1cccc(-c2cccc(-n3cc(C(=O)Nc4c(Cl)cncc4Cl)c(=O)c4cccnc43)c2)c1
c: O=C(NC1CC1)c1ccc(O)cc1OC[C@@H](O)CN1CCC2(CC1)Cc1cc(Cl)ccc1O2
d: N#Cc1c[nH]c(C(=O)Nc2ccc(C3CCN(C(=O)Cc4cccnc4)CC3)cc2C2=CCCCC2)n1
Answer: d
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}
4-cyano-N-[2-(cyclohexen-1-yl)-4-[1-(2-pyridin-3-ylethanoyl)piperidin-4-yl]phenyl]-1H-imidazole-2-carboxamide