Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocking compound (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any other words.
Options:
a: COCCCS(=O)(=O)c1ccc(-c2ccc(CCN3CCC[C@H]3C)cc2)cc1
b: COc1ccc2ncc(O)c(CCC34CCC(NCc5ccc6c(n5)NC(=O)CO6)(CC3)CO4)c2n1
c: Cc1ncccc1-c1nnc(SCCCN2CC[C@]3(C[C@@H]3c3ccc(C(F)(F)F)cc3)C2)n1C
d: CC(C)(C)CCN1CCC(CNC(=O)c2cc(C(F)(F)F)cc(C(F)(F)F)c2)CC1
Answer: a
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)-1-[2-[4-[4-(3-methoxypropylsulfonyl)phenyl]phenyl]ethyl]-2-methylpyrrolidine