Using O=c1cc(N2CCOCC2)nc(Cc2nc3ccccc3[nH]2)[nH]1, CC(C)=O to produce CCn1c(Cc2nc(N3CCOCC3)cc(=O)[nH]2)nc2ccccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.