Using C1CCNC1, Cc1nn(C)c2c1N(C(=O)CCl)c1ccccc1NC2=O to produce Cc1nn(C)c2c1N(C(=O)CN1CCCC1)c1ccccc1NC2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.