Using Nc1cccc(Cl)c1, COC(=O)c1cnc(Cl)c2ccn(C)c12 to produce COC(=O)c1cnc(Nc2cccc(Cl)c2)c2ccn(C)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.