Task: Please answer the multiple choice question.
Question: Which molecules are not a hERG blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. Cc1nc2ccccc2n1-c1ccc(C(=O)N(C)C2CCN(C3CCC3)C2)cc1
b. CCn1nc(Cc2ccc(C#N)cc2)cc1C1CCN(CC2CN([C@@H](C(=O)O)C(C)(C)C)C[C@@H]2c2cccc(F)c2)CC1
c. CC(=O)c1nn(-c2ccc(Cl)cc2)/c(=N/c2nc(-c3ccccc3)cc(-c3ccccc3)c2C#N)s1
d. CCOC(=O)c1cncc([C@]2(c3cnn(C)c3)N[C@@H](c3nc(-c4ccc(F)cc4)c[nH]3)Cc3c2[nH]c2ccccc32)c1
Answer: a, 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}
N-(1-cyclobutylpyrrolidin-3-yl)-N-methyl-4-(2-methylbenzimidazol-1-yl)benzamide