Using O=C1NC[C@@H]2c3ccccc3Oc3ccc(Cl)cc3[C@@H]12 to produce Clc1ccc2c(c1)[C@H]1CNC[C@@H]1c1ccccc1O2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.