Using O=C(C=Cc1ccccc1)Nc1cc(OCCN2CCOCC2)ccc1Cl to produce O=c1ccc2c(OCCN3CCOCC3)ccc(Cl)c2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.