Using O=c1[nH]nc2c(-c3ccc(Cl)cc3)c(-c3ccc(Cl)cc3)cnn12, ClCCN1CCOCC1 to produce O=c1n(CCN2CCOCC2)nc2c(-c3ccc(Cl)cc3)c(-c3ccc(Cl)cc3)cnn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.