Using COc1ccc2[nH]c3c(c2c1)CCN(CCCCC12CCCc4cccc(c41)NC2=O)C3 to produce O=C1Nc2cccc3c2C1(CCCCN1CCc2c([nH]c4ccc(O)cc24)C1)CCC3, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.