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=C1OC(N2CCN(c3ccccn3)CC2)c2ccccc21
b. Nc1ccc(-c2ccc(N)c(C(=O)O)c2)cc1C(=O)O
c. COc1cccc(C2SCC(=O)N2c2ccc(C)cc2)c1OC
d. CCCn1cc(CN2CCC(n3nccc3NC(=O)CCOc3ccccc3)CC2)c(C)n1
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}