preferred_name: a monoacylglycerol + H2O = glycerol + a fatty acid + H(+)
preferred_name_lc: a monoacylglycerol + h2o = glycerol + a fatty acid + h(+)
label: a monoacylglycerol + H2O = glycerol + a fatty acid + H(+)
label_lc: a monoacylglycerol + h2o = glycerol + a fatty acid + h(+)