Are the anticharmed and bottomed pentaquarks molecular heptaquarks?

I study the charmed uuddc̅ resonance D^*-p(3100) very recently discovered by H1 Collaboration at HERA, using a standard quark model with a quark-antiquark annihilation constrained by chiral symmetry. I find that repulsion excludes the D^*-p(3100) as a uuddc̅ s-wave pentaquark. I explore the D^*-p(3100) as a heptaquark, equivalent to a N-π-D^* borromean linear molecule, with positive parity and total isospin I=0. I find that the N-D repulsion is canceled by the attraction existing in the N-π and π-D channels. Multiquark molecules N-π-D, N-π-B^*, and N-π-B are also predicted.