Using N[C@H]1CCOC1, O=C(Cl)c1noc(-c2ccc(Cl)cc2)c1Cl to produce O=C(N[C@H]1CCOC1)c1noc(-c2ccc(Cl)cc2)c1Cl, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.