Using O=C(NCC1CCOCC1)c1cnc(Cl)c2[nH]ccc12, Nc1cccc(Cl)c1 to produce O=C(NCC1CCOCC1)c1cnc(Nc2cccc(Cl)c2)c2[nH]ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.