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, c, or d without using any other words.
Options:
a) CCOC(=O)c1[nH]c2ccccc2c1NC(=O)c1ccc2c(c1)OCO2
b) CC(C)=C(NC(=O)c1ccccc1)C(=O)NCCCO
c) CCCCCCN1C=CC=C/C1=C\C=C(C#N)C#N
d) O=[N+]([O-])c1cc(/C=N/O)ccc1Oc1ccccc1Cl
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}