Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (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: CCn1cc(C(=O)[O-])c(=O)c2cc(F)c(N3CC[NH2+][C@H](C)C3)c(F)c21
b: O[C@@H](CN1CCC(Cc2ccc(F)cc2)CC1)c1ccc(Cl)cc1
c: CCCCC(=O)N(Cc1ccc(-c2ccccc2-c2nn[n-]n2)cc1)[C@H](C(=O)[O-])C(C)C
d: Cc1nc2c(=O)n(CC3(c4ccccc4)CC3)ccn2c1Br
Answer: a, 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}
(2S)-3-methyl-2-[pentanoyl-[[4-[2-(1,2,4-triaza-3-azanidacyclopenta-1,4-dien-5-yl)phenyl]phenyl]methyl]amino]butanoate