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: CCCCN(C)C1CCN(C(=S)Nc2ccc(OCC)cc2)CC1
b: Cc1c(CCC(=O)N2CCC(C(=O)NCCCCCC(=O)O)CC2)c(=O)oc2cc3oc4c(c3cc12)CCCC4
c: CCOc1cc(S(=O)(=O)N2CCC(c3nc4ccccc4s3)CC2)c(OCC)cc1S(=O)(=O)N1CCCCC1
d: CC(NC(=O)COc1ccc(-c2nnco2)cc1)c1ccc(Cl)cc1Cl
Answer: a
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}