Using O=C1CN(C(=O)C=Cc2ccc(Oc3ccccc3)nc2)CCN1 to produce O=C1CN(C(=O)CCc2ccc(Oc3ccccc3)nc2)CCN1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.