Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, or c without using any additional words.
Options:
a) CCc1ccc2c(=O)cc(C(=O)NC3CCN(Cc4ccc5c(c4)OCO5)CC3)oc2c1
b) O=C(NC1CCN(Cc2ccc3c(c2)OCO3)CC1)c1cc(=O)c2cc(F)ccc2o1
c) CCC(=O)O[C@](Cc1ccccc1)(c1ccccc1)[C@H](C)C[NH2+]C
Answer: a, b, c
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}