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 CN1CCC(C2Oc3ccccc3Sc3ccc(Cl)cc32)CC1.O=C(O)/C=C\C(=O)O
b CCCNC(=O)CCn1nc(-c2ccc(C)cc2)c2ccccc2c1=O
c COC(=O)[C@@]12CCCN1[C@H](c1ccc(-c3ccc(Cl)c(Cl)c3)cc1)[C@H]1C(=O)N(C)C(=O)[C@H]12.O=C(O)C(F)(F)F
d Cc1cc(C)n(S(=O)(=O)c2cc(C(=O)O)c(Cl)cc2Cl)n1
e C[C@@H]1CCC(=O)N(CC[C@H](N=[N+]=[N-])c2ccccc2)CC1
Answer: a
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}