Using C[C@H]1CNCCN1C(=O)OCc1ccccc1, O=CCOCc1ccccc1 to produce C[C@H]1CN(CCOCc2ccccc2)CCN1C(=O)OCc1ccccc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.