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, d, or e without using any other words.
Options:
a. CN1CCCC(c2nc3ccccc3n2Cc2ccc(F)cc2)C1
b. Cc1nn(Cc2ccccc2Cl)c(C)c1CN(C)CC(O)COc1ccc(Cl)cc1
c. CCCCCCCC[N+](C)(C)C
d. COc1ccc(CNC(=O)c2cc3cc(Cl)ccc3o2)c(OC)c1
e. O=C(CN1CCCC2=C1C(=O)N(C1CC1)C2=O)Nc1ccc(-c2cccnc2)nn1
Answer: a, b
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-fluorophenyl)methyl]-2-(1-methylpiperidin-3-yl)benzimidazole