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] N#CCSc1ccc2nc(-c3ccccc3)cn2n1
[b] O=C(CSCc1c(Cl)cccc1Cl)NCc1cccnc1
[c] O=C1C=C(N(CCO)CCO)C2(CCCCC2)O1
[d] CCCC(=O)N1CCN(c2nc3ccc(Cl)cc3s2)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}