engine (227) : error unexpected token ?

[chaos30388]

i cant figure out why

camshaft camshaft(
lobe_profile: "N/A",
intake_lobe_profile: intake_lobe, - line 223
exhaust_lobe_profile: exhaust_lobe, - line 224
intake_lobe_center: 105 * units.deg, - line 225
exhaust_lobe_center: 100 * units.deg, - line 226
) - line 227