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: CN1CCN(C(=O)C2=C[C@H](c3ccccc3)C[C@H](OCc3ccc(CO)cc3)O2)CC1
b: CCOC(=O)CSC1=C(C#N)C(c2ccc3c(c2)OCO3)CC(=O)N1
c: O=C(O)c1cc(NC(=O)c2ccc(Br)cc2)cc(NC(=O)c2ccc(Br)cc2)c1
d: Cc1ccc(C(=O)N/C(=C\c2ccc(-c3ccccc3[N+](=O)[O-])o2)C(=O)NCCCN2CCOCC2)cc1
Answer: 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}