Using O=C(Cl)c1nc(CCN2CCOCC2)n2ccccc12, Nc1cccc(Cl)c1 to produce O=C(Nc1cccc(Cl)c1)c1nc(CCN2CCOCC2)n2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.