message: use for of to check non-metals
diff: @@ -86,7 +86,10 @@ export class Mol2Encoder extends LigandEncoder {
  }
  private isNonMetalBond(label_atom_id: string): boolean {
  - return NON_METAL_ATOMS.some(a => label_atom_id.startsWith(a));
  + for (const a of NON_METAL_ATOMS) {
  + if (label_atom_id.startsWith(a)) return true;
  + }
  + return false;
  }
  private extractNonmets(map: BondMap): BondMap {
  