Using Nc1cccc(Cl)c1, O=C(O)c1cc(Cl)c(C(=O)N2CCOCC2)cc1OCc1ccccc1 to produce O=C(Nc1cccc(Cl)c1)c1cc(Cl)c(C(=O)N2CCOCC2)cc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.