RDKit 2 1 0 0 0 0 0 0 0 0999 V2000 0.0000 0.0000 0.0000 O 0 0 0 0 0 0 0 0 0 0 0 0 0.0000 0.0000 0.0000 Si 0 0 0 0 0 1 0 0 0 0 0 0 1 2 1 0 M RAD 1 2 2 M END > 6327522 > Silanol $$$$