Using O=C(CCl)N1CCOCC1, O[C@H]1CC[C@H](c2cc3ccc(OCC4CC4)cc3o2)CC1 to produce O=C(CO[C@H]1CC[C@H](c2cc3ccc(OCC4CC4)cc3o2)CC1)N1CCOCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.