Task: Please answer the multiple choice question.
Question: Which molecules are not a human ether-à-go-go related gene (hERG) blocker?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a O=C(NCCN1CCOCC1)c1ccc(Cl)cc1
b CC[C@H]1[C@H]2C[C@H]3[C@@H]4N(C)c5ccccc5[C@]45C[C@@H]([C@H]2[C@H]5O)N3[C@@H]1O
c N#Cc1ccc(Cn2cncc2C[NH2+][C@H]2CCN(c3ccncc3)C2=O)cc1
d CCn1cc(C(=O)[O-])c(=O)c2cc(F)c(N3CC[NH2+][C@H](C)C3)c(F)c21
Answer: a, 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}
1-ethyl-6,8-difluoro-7-[(3R)-3-methylpiperazin-4-ium-1-yl]-4-oxoquinoline-3-carboxylate