Using CCOC(=O)c1cc2cc(O)ccc2[nH]1, Cc1sc(-c2ccccc2)nc1CCO to produce CCOC(=O)c1cc2cc(OCCc3nc(-c4ccccc4)sc3C)ccc2[nH]1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.