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) O=C(CN1CCN(c2ccc(Cl)cc2)CC1)Nc1ccc(F)c(F)c1
b) CCOC(=O)c1c(NC(=O)C(NCCN(C)C)c2ccccc2)sc2c1CCCC2
c) CC1CCCCN1C(=O)CCS(=O)(=O)Cc1ccccc1
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}