Task: Please answer the multiple choice question.
Question: Which molecules are not 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 O=C(Cn1[nH]c(=O)c2ccccc2c1=O)NC1CCN(Cc2ccccc2)CC1
b CC1CCN(C(=O)c2ccc3c(c2)OCO3)CC1
c COC(=O)C1C(=O)C=C(N2CCOCC2)CC1(C)C
d CCC(C)N1CNc2c(c(=O)[nH]c(=S)n2-c2cccc(C)c2)C1
Answer: a, b, c, 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}