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 additional words.
Options:
(a) CN1CCc2cccc3c2[C@H]1Cc1ccc(O)c(O)c1-3
(b) CCCCN1CCCC[C@@H]1C(=O)Nc1c(C)cccc1C
(c) O=C1C[C@@H](c2ccc(O)cc2)Oc2cc(O)cc(O)c21
(d) C1CCC(C(C[C@H]2CCCC[NH2+]2)C2CCCCC2)CC1
Answer: a, b, c, d
Task: Please answer the multiple choice question.
Question: Which molecules are {herg_blocker#not &NULL}a {herg_blocker__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_blocker%}
Answer: {%multiple_choice_result}
(2R)-2-(2,2-dicyclohexylethyl)piperidin-1-ium