Task: Please answer the multiple choice question.
Question: Which molecules are a human ether-à-go-go related gene (hERG) blocker (<10uM)?
Constraint: You must select none, one or more options from a, b, c, or d without using any additional words.
Options:
a. CC(C)Cn1c2ccc(Nc3ncccn3)cc2c2c3c(c4c(c21)CCc1nn(C)cc1-4)C(=O)NC3
b. NC(=O)c1cnc(N[C@H]2CCCNC2)c2sc(-c3cccc(F)c3)cc12
c. Cc1cc(N2CC[C@H](N3CCC[C@@H]3C)C2)ccc1NC(=O)c1cc(F)ccc1C
d. O=C(O)c1ccc(NC(=O)[C@H](C2CCCCC2)n2c(-c3ccc(Cl)cc3)nc3cc(F)c(F)cc32)cc1
Answer: 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}
5-fluoro-2-methyl-N-[2-methyl-4-[(3S)-3-[(2S)-2-methylpyrrolidin-1-yl]pyrrolidin-1-yl]phenyl]benzamide