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) CCOc1ccc(NC(=O)CN2CCN(CC(=O)Nc3ccc(OC)cc3OC)CC2)cc1
b) O=C1CCc2cc(OCCCCc3nnnn3C3CCCCC3)ccc2N1
c) Nc1nnnn1/N=C/c1cc([N+](=O)[O-])ccc1O
d) Cc1ccc(-c2nnn(CC(=O)Nc3ccc4nn(-c5ccccc5)nc4c3)n2)o1
Answer: a, b
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}