preferred_name: methyl-Co(III)-[methoxylated-aromatic-compound-specific corrinoid protein] + (6S)-5,6,7,8-tetrahydrofolate <=> Co(I)-[methoxylated-aromatic-compound-specific corrinoid protein] + (6S)-5-methyl-5,6,7,8-tetrahydrofolate + H(+)