Using Cc1nc(N)c2nc(C)n(CCN)c2c1C, CC(C)C(=O)Cl to produce Cc1nc(N)c2nc(C)n(CCNC(=O)C(C)C)c2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.