Using ClCCl, Cc1noc2c1-c1ccc(Cl)cc1C(=O)NC21CC1 to produce Cc1noc2c1-c1ccc(Cl)cc1C(Cl)=NC21CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.