label: N(omega),N(omega)-dimethyl-L-arginine(in) + L-arginine(out) => N(omega),N(omega)-dimethyl-L-arginine(out) + L-arginine(in)
label_lc: n(omega),n(omega)-dimethyl-l-arginine(in) + l-arginine(out) => n(omega),n(omega)-dimethyl-l-arginine(out) + l-arginine(in)