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, or c without using any additional words.
Options:
(a) CCCCc1cc(OC2CCN(CCCCS(=O)(=O)NCCC)CC2)c2ncccc2c1
(b) O=C(NCCCNc1nc2ccccc2[nH]1)c1ccc(CN2CCCC2)cc1
(c) CCCN(C(=O)c1cccc(Cl)c1Cl)[C@H]1CCNC1
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}
4-[4-(6-butylquinolin-8-yl)oxypiperidin-1-yl]-N-propylbutane-1-sulfonamide