A note from Mark Johnson with HealthCo International as payee for $$28,979\mathrm{.}15$ included the following language:

$[$p$]$ayable in blank $1,$ Successive Monthly Installments of $ Each, and in $11$ Successive Monthly Installments of $$2,414\mathrm{.}92$ Each thereafter, and in a final payment of $$2,415\mathrm{.}03$ thereafter. The first installment being payable on the blank $2$ day of blank $320$ blank $4,$ and the remaining installments on the same date of each month thereafter until paid.

Johnson signed the note. Is it negotiable? $[$Barclays Bank, P$.$L$.$C$.$ v$.$ Johnson, $499$ S$.$E$\mathrm{.}2$d $769($N$.$ C$.$ App.$)]$