Task: Please answer the multiple choice question.
Question: Which molecules are a hERG blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
(a) O=C1CCc2cc(OCCCCc3nnnn3C3CCCCC3)ccc2N1
(b) O=C(O)CSc1c[nH]c2ccccc12
(c) CCN(CC)CCCNC(=S)N1CCN(c2nc(-c3ccc(F)cc3)cs2)CC1
(d) CC(=O)N/C(=C/c1ccc(Cl)cc1)C(=O)NCCc1c[nH]c2ccccc12
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}