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=c1c(O)cccc2cc(O)c(O)c(O)c12
(b) O=C(NCc1ccccc1Cl)C1CCC(=O)N(CC2CCCCC2)C1
(c) Cc1cc(C)c2cc(CN(CCO)C(=O)Nc3ccc(Cl)cc3)c(=O)[nH]c2c1
(d) Fc1ccc(-c2ccc(Nc3cccc(F)c3)nn2)cc1
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}