Using OCCCNc1ccccn1, COC(=O)C(Cc1ccccc1)Cc1cc2cc(O)ccc2[nH]1 to produce O=C(O)C(Cc1ccccc1)Cc1cc2cc(OCCCNc3ccccn3)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.