Task: Please answer the multiple choice question.
Question: Which molecules are not 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(CN(C(=O)c1ccccc1Cl)N1C(=O)C2C3C=CC(C3)C2C1=O)c1cccs1
b. CN1CCN(c2ccc([N+](=O)[O-])c(SCCO)c2)CC1
c. CCC(C)NC(=O)C1CCN(S(=O)(=O)c2ccc(Br)s2)CC1
d. Cl.OC(COc1ccc2c(c1)OCO2)CN1CCCC1
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}