[{"from": "human", "value": "Use the given information to create a molecule that fulfills the desired purpose. The molecule is an ethylenediamine derivative that is ethylenediamine in which one of the amino nitrogens is substituted by two methyl groups and the remaining amino nitrogen is substituted by a 4-methoxybenzyl and a pyridin-2-yl group. It has a role as a H1-receptor antagonist. It is an ethylenediamine derivative and an aromatic ether."}, {"from": "gpt", "value": "[C][N][Branch1][C][C][C][C][N][Branch1][=C][C][C][=C][C][=C][Branch1][Branch1][C][=C][Ring1][=Branch1][O][C][C][=C][C][=C][C][=N][Ring1][=Branch1]"}]