Using c1ccc2c(c1)OCC[C@H]1NCCO[C@H]21, O=C(Cl)CCl to produce O=C(CCl)N1CCO[C@@H]2c3ccccc3OCC[C@H]21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.