Task: Please answer the multiple choice question.
Question: Which molecules are 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] CCC(C)N(C)C1CCN(C(=S)Nc2cccc(SC)c2)CC1
[b] OCCOCCn1c(C2CCCN2c2nc(-c3ccc(F)cc3)cs2)nc2cc(C(F)(F)F)ccc21
[c] O=C(NC12CC3CC(CC(C3)C1)C2)c1cncc(Br)c1
[d] CC1CCCC(N2CCN(C(=O)c3ccc([N+](=O)[O-])cc3)CC2)C1.O=C(O)C(=O)O
Answer: b, 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}