stack-buffer-overflow in ParseOldAtomList

stack-buffer-overflow in ParseOldAtomList: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). AddressSanitizer: stack-buffer-overflow in function ParseOldAtomList in file rdkit/Code/GraphMol/FileParsers/MolFileParser.cpp