Using O=c1[nH]cccc1CN1CCC(CCc2cccnc2Cl)CC1, COCCO to produce COCCOc1ncccc1CCC1CCN(Cc2ccc[nH]c2=O)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.