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 or b without using any other words.
Options:
a O=c1n(Cc2ccc(Cl)cc2)c2sc3c(c2c2ncnn12)CCN(CC1CC1)C3
b Cc1cnc(Nc2ccc(CN3CCOCC3)cc2)nc1Nc1cccc(S(=O)(=O)NC(C)(C)C)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}
8-[(4-chlorophenyl)methyl]-13-(cyclopropylmethyl)-10-thia-3,5,6,8,13-pentazatetracyclo[7.7.0.02,6.011,16]hexadeca-1(9),2,4,11(16)-tetraen-7-one