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) CCCOCCn1c(=O)c(N2CCN(C[C@H](C)O)CC2)nc2cnc(-c3ccc(OC)nc3)cc21
b) Cn1nc(NCC(=O)NC2CN(C3CCC(CO)CC3)C2)c2cc(C(F)(F)F)ccc21
c) CN(C1CCc2c(c3ccccc3n2CC(=O)O)C1)S(=O)(=O)c1ccc(F)cc1
d) Cn1cc(-c2cnc(Nc3cnc(C#N)cn3)cc2NC[C@@H]2CNCCO2)cn1
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}
3-[4-[(2S)-2-hydroxypropyl]piperazin-1-yl]-7-(6-methoxypyridin-3-yl)-1-(2-propoxyethyl)pyrido[3,4-b]pyrazin-2-one