Using O=C1c2cc(Cl)c(Cl)cc2C(=O)N1CC1CC2(CCO1)OCCO2 to produce O=C1CCOC(CN2C(=O)c3cc(Cl)c(Cl)cc3C2=O)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.