C=C[C@@H]1CN2CC[C@@H]1C[C@@H]2[C@H](O)c1ccnc2ccc(OC)cc12.C=C[C@@H]1CN2CC[C@@H]1C[C@@H]2[C@H](O)c1ccnc2ccc(OC)cc12.O=S(=O)(O)O
A lower number of pka indicates that the acid dissociates more entirely in water. What is pka of the molecule?