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) CCCc1c(OCCCN2C(=O)Cc3cc(CC(=O)O)ccc32)ccc2c(C(F)(F)F)noc12
(b) Cc1nc2ccccc2n1C1C[C@H]2CC[C@H](C1)N2CCC1(c2ccccc2)CCN(C(=O)c2cccc(C(=O)NO)c2)CC1
(c) CC(Oc1ccc(S(C)(=O)=O)cc1C(=O)N1CCN(c2ncc(C(F)(F)F)cn2)CC1)C(F)(F)F
(d) Cn1c(SCCCN2CC3CCN(c4ccc(F)cc4)C3C2)nnc1-c1cnccn1
Answer: 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-(4-fluorophenyl)-5-[3-[(4-methyl-5-pyrazin-2-yl-1,2,4-triazol-3-yl)sulfanyl]propyl]-2,3,3a,4,6,6a-hexahydropyrrolo[2,3-c]pyrrole