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 other words.
Options:
[a] O=C1N(CCN2Cc3ccccc3C2)CCN1Cc1ccccc1
[b] CCc1cccc(NC(=O)Nc2cccn(Cc3ccccc3Cl)c2=O)c1
[c] Cc1cc2nc(CC3CCCNC3)n(Cc3ccc(Cl)cc3)c2cc1C
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}
1-[(4-chlorophenyl)methyl]-5,6-dimethyl-2-(piperidin-3-ylmethyl)benzimidazole