Cc1cccc([C@H](C)O)n1    mol6499    0_1
Cc1cccc([C@H](C)O)[nH+]1    mol6499    1_1
Cc1cccc([C@H](C)[O-])n1    mol6499    -1_1
Cc1cccc([C-](C)O)n1    mol6499    -1_2