Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: C=C(C)COc1ccc(-c2[nH]ncc2Oc2ccccc2OC)c(O)c1
b: O=C(Nc1cccc(F)c1)N1CC=C(n2c(=O)[nH]c3ccccc32)CC1
c: CCOc1ccccc1N1CCN(C(=O)c2ccccc2SCC(=O)N2CCCC2)CC1
d: CCCSc1nnc(-c2cnn(-c3ccccc3)c2-n2cccc2)n1C
Answer: a
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}