Using C=CCOCc1cccc(-c2ccc(CN3CC4(CCCCC4)OC3=O)cc2)c1, CO to produce O=C1OC2(CCCCC2)CN1Cc1ccc(-c2cccc(COCCO)c2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.