Using Nc1ccc(N2CCN(c3cccnc3)C2=O)cc1, CC(=O)Cl to produce CC(=O)Nc1ccc(N2CCN(c3cccnc3)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.