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 other words.
Options:
a CCC(=O)N1CCN(c2ccc(NC(=O)c3ccc4c(c3)OCO4)cc2)CC1
b Cc1ccc(-n2ncc3c(=O)n(CC(=O)NC4CCCC4)cnc32)cc1C
c CN(Cc1cccs1)C(=O)C1CCN(S(=O)(=O)c2ccccc2)CC1
d CCn1c(N2CCN(Cc3ccc([N+](=O)[O-])cc3)CC2)nc2ccccc21.Cl
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}