Using O=Cc1ccc(-c2cnc3c(N4CCOCC4)nc(Cl)nc3c2)o1, C1CCOC1 to produce CC(O)c1ccc(-c2cnc3c(N4CCOCC4)nc(Cl)nc3c2)o1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.