Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocking compound?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a: COc1ccc(C(=O)n2cnc3ccccc32)cc1[N+](=O)[O-]
b: COc1cc(CNn2nnnc2N)ccc1OCC(=O)NC(C)(C)C
c: COc1ccc(CNC(=O)c2c(-c3cc(Cl)c(OC)c(Cl)c3)noc2C)cc1
d: c1ccc(-n2cc(CN3CCCC3)c(-c3ccc4c(c3)OCO4)n2)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}