Using O=C(CCl)c1ccccc1, Nc1cc(C2CCC3(CC2)OC(=O)c2ccncc23)[nH]n1 to produce Nc1cc(C2CCC3(CC2)OC(=O)c2ccncc23)nn1CC(=O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.