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 CN(C)Cc1ccccc1-c1ccc(NC(=O)Nc2cccnc2Oc2ccccc2C(C)(C)C)c(F)c1
b O=C([C@@H]1C[C@H](N2CCN(c3ncccn3)CC2)CN1)N1CCC1
c Cc1ncc(-c2ccnc(Nc3ccc(C(=O)NCCO)cc3)n2)n1C(C)C
d O=C(N1CCCN(C2CCC2)CC1)N1CCC2(CCCN(S(=O)(=O)c3ccccc3)C2)C1
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}
1-[2-(2-tert-butylphenoxy)pyridin-3-yl]-3-[4-[2-[(dimethylamino)methyl]phenyl]-2-fluorophenyl]urea