Hello, i'm trying to assign 3D coordinates to this SMILES structure

OP(=O)(O)OC[C@H]1O[C@H]([C@@H]([C@@H]1O)OCC(=O)c1c2cc3ccccc3cc2ccc1)n1cnc2c(=O)[nH]c(N)nc12

obabel is unable to resolve the structure

time obabel --gen3D -ismi 3.3_30.smi -omol2 -O 3.3_30.mol2
1 molecule converted

real    6m8.107s
user    6m7.947s
sys     0m0.020s

But the mol2 files looks like...

@<TRIPOS>MOLECULE
*****
 65 70 0 0 0
SMALL
GASTEIGER

@<TRIPOS>ATOM
      1 O             -nan      -nan      -nan O.3     1  LIG1       -0.3026
      2 P             -nan      -nan      -nan P.3     1  LIG1        0.4724
      3 O             -nan      -nan      -nan O.2     1  LIG1       -0.2275
(...)

Any ideas, is this a known bug?
Best regards.

Attachment: 3.3_30.smi
Description: application/smil

Attachment: 3.3_30.mol2
Description: chemical/mol2

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