label: 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine(out) => 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine(in)
label_lc: 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine(out) => 1,2-dihexadecanoyl-sn-glycero-3-phosphocholine(in)