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 additional words.
Options:
a. COc1ccc(NC(=O)C2CCCN2S(=O)(=O)c2cccc3nsnc23)cc1OC
b. COCCn1c(=O)[nH]c2cc(C(=O)Nc3cccc(F)c3)ccc2c1=O
c. O=C(Nc1cccc(-c2cccc(F)c2)c1)C1CCN(Cc2ccco2)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}