Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any other words.
Options:
(a) Cc1c(C(=O)Nc2ccccc2)sc2nc3n(c(=O)c12)CCCCC3
(b) COc1cccc(CNC(=O)COc2cc(O)c3c(c2)OC(C)(C)CC3=O)c1
(c) O=C(c1ccco1)N1CCN(C(=O)c2ccccc2OCc2ccc(Cl)cc2)CC1
Answer: c
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}