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 additional words.
Options:
a. COC(=O)c1ccc(CNC(=O)c2c3c(nc4ccccc24)CCN(Cc2ccccc2)C3)cc1
b. COc1cccc(NC(=O)C2CCN(c3cnccn3)CC2)c1
c. COc1ccc(/C(O)=C2/C(=O)C(=O)N(Cc3cccnc3)C2c2ccco2)cc1OC
d. O=C(c1ccccc1)c1n[nH]c(-c2ccccc2)cc1=O
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}