create table wdi (smiles varchar2(700), fp varchar2(4000), dd varchar2(4000),
                  amw number, cl number);
create table wdidata (pname varchar2(500), smiles varchar2(700),
                      ma varchar2(4000), iu varchar2(4000), ci varchar2(4000),
                      ia varchar2(4000), ae varchar2(4000), pw varchar2(4000));
create table wdinames (pname varchar2(500), name varchar2(100));
