Using CN(C)C=O, CC(C(=O)O)c1cc2nc(-c3cccc4[nH]ncc34)nc(N3CCOCC3)c2s1 to produce CN(C)C(=O)CCc1cc2nc(-c3cccc4[nH]ncc34)nc(N3CCOCC3)c2s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.