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.) O=C(COC(=O)c1ccc(O)cc1)NC1CCCC1
b.) Cc1cccc(N(Cc2ccccc2)C(=O)CN2C(=O)NC3(CCCCC3C)C2=O)c1
c.) Clc1ccc(N2CCN(Cc3ccc(Br)o3)CC2)cc1
d.) CC1(C)Cc2c(cnn2-c2cccc(F)c2)C(NC(=O)CSc2ccncc2)C1
Answer: d
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}