7
charge = 0
 O 0.907726 0.050974 0.075718
 C 2.106184 -0.017055 0.077503
 C 2.825749 -1.272736 0.107481
 C 3.462715 -2.297438 0.131955
 C 4.172479 -3.464700 0.159830
 N 4.775584 -4.449142 0.183341
 H 2.751963 0.879286 0.055962