Using COc1ccc2[nH]c3ccc4c(c3c2c1)C(=O)N(CCN(C)C)C4=O to produce CN(C)CCN1C(=O)c2ccc3[nH]c4ccc(O)cc4c3c2C1=O, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.