Using O=C1Nc2ccccc2S/C1=C\c1c[nH]c2ccc(O)cc12, OCCN1CCCCC1 to produce O=C1Nc2ccccc2S/C1=C\c1c[nH]c2ccc(OCCN3CCCCC3)cc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.