Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound (IC50 < 10uM)?
Constraint: You must select none, one or more options from a, b, c, d, or e without using any other words.
Options:
a: CN(CC(=O)Nc1cccc(F)c1)C(=O)CCC1CCCCC1
b: O=C(CN1CCN(S(=O)(=O)c2ccc(Br)cc2)CC1)N/N=C/c1ccncc1
c: COC(=O)c1ccc(CSc2nc3ccccc3s2)o1
d: COc1ccc(-c2nnc(SCc3ncc(-c4ccccc4)o3)o2)cc1
e: CCC1C=CC=CC[C@H](C)[C@@H](O)[C@](C)(O)C(=O)[C@@H](C)[C@H](O)[C@@H](C)C(=O)[C@H](C)[C@@H](O)[C@H](C)C=CC(=O)OC2[C@@H](C)C(CC1)OC1(CC[C@@H](C)C(C[C@H](C)O)O1)[C@@H]2C
Answer: b
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_inhib#not &NULL}a {herg_inhib__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_inhib%}
Answer: {%multiple_choice_result}